* Race Course expected to be re-certified prior to 2024 race.
| Code | Country | City | Name of Race | Distance | Drop and Separation | Expiring Year |
|---|---|---|---|---|---|---|
| USA-2023-101 | USA | Akron, OH | Akron Race Series Half Marathon - 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-102 | USA | Glen Ridge, NJ | Ashenfelter 8K 2023 Pre-Verified | 8KM | N/A (Non-standard distance) | 2028 |
| USA-2023-103 | USA | Grand Island, NY | St. Stephen School 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-104 | USA | Newark, NJ | Newark Community Mile 2024 Pre-Verified | Mile | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-105 | USA | Holmdel, NJ | Big Bang Mile 2023 Pre-Verified | Mile | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-106 | USA | Brooklyn, NY | PPTC Endurance Fest 50K | 50KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-107 | USA | Derby, KS | Smokin' 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-110 | USA | Saratoga , NY | Firecracker 4 Mile 2023 | 4MI | N/A (Non-standard distance) | 2028 |
| USA-2023-111 | USA | Buffalo, NY | Laps of Love 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-112 | USA | Livonia, MI | Livonia Spree 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-113 | USA | East Brunswick, NJ | East Brunswick 12K 2023 | 12KM | N/A (Non-standard distance) | 2028 |
| USA-2023-114 | USA | Brooklyn, NY | PPTC Turkey Trot 5 Miler | 5MI | N/A (Non-standard distance) | 2028 |
| USA-2023-115 | USA | Brooklyn, NY | PPTC Cherry Tree 10 Miler 2024 | 10MI | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-116 | USA | Albany, NY | Freihofer's Run for Women 5K 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-117 | USA | Manitowoc, WI | Maritime Marathon 2023 | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-118 | USA | Schenectady, NY | Miles on the Mohawk 10 Mile 2023 | 10MI | Separation >50% | 2028 |
| USA-2023-119 | USA | Akron, OH | Akron Race Series Marathon - 2023 | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-120 | USA | Kearney, NE | Buffalo Stampede Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-121 | USA | Lawrenceville, GA | Tiffany Parker Porter 5K Run/Walk | 5KM | Downhill (-1.6 m/km) | 2028 |
| USA-2023-122 | USA | Boston, NY | Trooper Brinkerhoff 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-123 | USA | Branford, CT | Branford Road Race - 9th Ave | 5MI | N/A (Non-standard distance) | 2028 |
| USA-2023-124 | USA | Wrightstown, WI | Kicking It With The Cows 5K 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-125 | USA | Davenport, IA | Bix 7 | 7MI | N/A (Non-standard distance) | 2028 |
| USA-2023-126 | USA | Fair Lawn, NJ | First Day 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-127 | USA | Wayne, PA | Main Line Run 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-128 | USA | Glen Ridge, NJ | Tom Fleming 2K-2023 | 2KM | N/A (Non-standard distance) | 2028 |
| USA-2023-129 | USA | Grand Island, NY | St. Stephen School 5K - Alternate | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-130 | USA | Westville, OK | Summer Slam 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-131 | USA | Durant, OK | Colton's Run 10k #2 | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-132 | USA | Eden, NY | East Eden Mile | Mile | Separation >50%, Downhill (-23.8607 m/km) | 2028 |
| USA-2023-133 | USA | Ronkonkoma, NY | 4 Mile Run Around the Lake 2023 | 4MI | N/A (Non-standard distance) | 2028 |
| USA-2023-134 | USA | Ronkonkoma, NY | Half Marathon Run Around the Lake 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-135 | USA | Ocean Isle Beach, NC | Run OIB Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-136 | USA | Ocean Isle Beach, NC | Run OIB 5k 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-137 | USA | New York, NY | MSQ 5K-Hudson River Park | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-138 | USA | Durant, OK | Colton's Run 5k #2 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-139 | USA | New York, NY | MSQ 10K-Hudson River Park | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-140 | USA | Williamsville, NY | Moonlight Run 5K | 5KM | Downhill (-1.098 m/km) | 2028 |
| USA-2023-141 | USA | Utica , NY | Boilermaker 15K Road Race 2023 | 15KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-142 | USA | Boulder, CO | BolderBoulder Pro Course | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-143 | USA | Boulder, CO | BolderBoulder | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-144 | USA | Bar Harbor, ME | Mount Desert Island Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-145 | USA | Northeast Harbor, ME | Mount Desert Island Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-146 | USA | Brightwaters, NY | Run to the Pump 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-147 | USA | Dalton, OH | Rescuer 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-148 | USA | Boulder, CO | Avery 4k | 4KM | N/A (Non-standard distance) | 2028 |
| USA-2023-149 | USA | Portland, OR | Foot Traffic Flat Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-150 | USA | Portland, OR | Foot Traffic Flat Full Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-151 | USA | Baltimore, MD | Druid Lake 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-152 | USA | Sandy Springs, GA | Sandy Springs Education Force Lightning 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-153 | USA | Sandy Springs, GA | Sandy Springs Education Force Lightning10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-154 | USA | Buffalo, NY | JCC of Greater Buffalo 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-155 | USA | Phoenix, AZ | Tukee Trot 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-157 | USA | Fort Worth, TX | The Cowtown Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-158 | USA | Balch Springs, TX | Sprint the Springs 5K Run & Walk | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-159 | USA | Winston Salem, NC | Mistletoe Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-160 | USA | Winston Salem, NC | Mistletoe 5k 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-161 | USA | Tulsa, OK | Break Barriers 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-162 | USA | New York, NY | NYCRUNS Governor's Island 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-163 | USA | Farmingdale, NY | Long Island Women's 5K Run | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-164 | USA | Hartford, CT | Hartford Half Marathon - 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-165 | USA | Buffalo, NY | River Rock Run 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-166 | USA | New York, NY | NYCRUNS Governors Island 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-167 | USA | Marquette, MI | Queen City Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-168 | USA | Indianapolis, IN | 500 Festival Mini-Marathon Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-169 | USA | Philadelphia, PA | Girard College Beyond the Wall 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-170 | USA | Wylie, TX | Municipal Complex 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-171 | USA | Wylie, TX | Collin to Meadow 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-172 | USA | Wantagh, NY | Marcum Workplace Challenge (2023) | 3.5MI | N/A (Non-standard distance) | 2028 |
| USA-2023-173 | USA | Madison, WI | Madison Mini 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-174 | USA | Houston, TX | Race for the Cure 5k 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-175 | USA | Oro Valley, AZ | Tucson Marathon (Alternate) | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-176 | USA | Oro Valley, AZ | Tucson 50K (Alternate) | 50KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-177 | USA | Oro Valley, AZ | Tucson Half Marathon (Alternate) | Half Marathon | Downhill (-6.48702 m/km) | 2028 |
| USA-2023-178 | USA | Fort Oglethorpe, GA | 2023 Chickamauga Battlefield Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-179 | USA | Tahlequah, OK | Cherokee Holiday Run 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2024-1 | USA | San Diego, CA | America's Finest City Half Marathon | Half Marathon | Downhill (-1.61 m/km) | 2029 |
| USA-2023-180 | USA | Salt Lake City, UT | Rock 'n' Roll Salt Lake City Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-181 | USA | Lancaster, NY | Strider Glider Quarter Marathon | 10.5488KM | N/A (Non-standard distance) | 2028 |
| USA-2023-182 | USA | Erwin, NC | Spin and Dye 8k | 8KM | N/A (Non-standard distance) | 2028 |
| USA-2023-183 | USA | Webster, TX | Angels Race for Space 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-184 | USA | Madison, WI | Wausau Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-185 | USA | Wausau, WI | Wausau Marathon 2023 | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-186 | USA | Wrightstown, WI | Kicking It With The Cows 10K 2023 | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-187 | USA | Lagrangeville , NY | Turkey Trot Five Mile | 5MI | N/A (Non-standard distance) | 2028 |
| USA-2023-188 | USA | Endwell, NY | No-Shave 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-189 | USA | Mt Airy, NC | Downtown Rocks and Run 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-190 | USA | Mt Airy, NC | Downtown Rocks and Run 10k | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-191 | USA | Rochester, NY | Rochester Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-192 | USA | Nashville, NC | Nashville Running Festival Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-193 | USA | Nashville, NC | Nashville Running Festival Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-194 | USA | Hauppauge, NY | Walter Hawrys 1km Race Walk Circuit-2023 | 1KM | N/A (Non-standard distance) | 2028 |
| USA-2023-195 | USA | Wappingers Falls, NY | Dutchess County Classic 5K 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-196 | USA | Canton, OH | Market Ave 1 mile | Mile | Separation >50%, Downhill (-12.3156 m/km) | 2028 |
| USA-2023-197 | USA | River Edge, NJ | St. Peter Academy 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-198 | USA | Lavonia, GA | Run/Walk to Remember 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-199 | USA | Akron, OH | Selfless Elf | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-200 | USA | Metuchen, NJ | BTCTE Liss 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-201 | USA | Mount Airy, NC | 5k on the Greenway | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-202 | USA | Great Mills, MD | LFS Patriot Day 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-203 | USA | Roswell, GA | Team Maggie's Dream 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-204 | USA | Roswell, GA | Team Maggie's Dream 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-205 | USA | Clarence, NY | Brothers of Mercy 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-206 | USA | Mount Airy, NC | Mayberry Half Marathon | Half Marathon | Downhill (-1.42 m/km) | 2028 |
| USA-2023-207 | USA | Mount Airy, NC | Mayberry 10k | 10KM | Downhill (-3 m/km) | 2028 |
| USA-2023-208 | USA | Mount Airy, NC | Mayberry 5k | 5KM | Downhill (-6 m/km) | 2028 |
| USA-2023-209 | USA | Washington, NJ | Sterbenz 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-210 | USA | Philadelphia, PA | PDR HMar 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-211 | USA | Tulsa, OK | Festival Park Light House 10k | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-212 | USA | Dunn, NC | Broad Street Beer Run 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-213 | USA | Edmond, OK | Red Day Run 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-214 | USA | Demarest, NJ | The Valley 5K Run + Walk | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-215 | USA | Tulsa, OK | ORU Alumni 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-216 | USA | Grand Island, NY | Veterans Park 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-217 | USA | Jones, OK | Jones High School 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-218 | USA | Queens, NY | LaGuardia Community Run | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-219 | USA | Nowata, OK | Downtown Nowata 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-220 | USA | Philadelphia, PA | Core Fitness Breakout Race 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-221 | USA | Buffalo, NY | YMCA Buffalo Niagara Turkey Trot 8 km | 8KM | N/A (Non-standard distance) | 2028 |
| USA-2023-222 | USA | Roanoke Island, NC | OBX Marathon 2023 | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-223 | USA | Roanoke Island, NC | OBX Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-224 | USA | New Haven, CT | New Haven 20K - 2023 | 20KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-225 | USA | Buffalo, NY | Queen City Architecture Race | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-226 | USA | Jersey City, NJ | Carlos Negron Memorial Run | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-227 | USA | San Jose, CA | Rock 'n' Roll San Jose 10 km | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-228 | USA | San Jose, CA | Rock 'n' Roll San Jose Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-229 | USA | Oak Park, IL | Frank Lloyd Wright 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-230 | USA | Oak Park, IL | Frank Lloyd Wright 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-231 | USA | Slingerlands , NY | Barn to Bridge 5K 2023 | 5KM | Separation >50%, Downhill (-4.4 m/km) | 2028 |
| USA-2023-232 | USA | Millbrook , NY | Millbrook Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-233 | USA | Oak Park, IL | Frank Lloyd Wright 1 Mile | Mile | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-234 | USA | Estacada, OR | ORRC Best Dam Run Half Marathon | Half Marathon | Downhill (-3.93 m/km) | 2028 |
| USA-2023-235 | USA | Atlanta, GA | Joan P Garner 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-236 | USA | Palos Hills, IL | Moraine Valley Community College 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-237 | USA | Grand Island, NY | West River Trail 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-238 | USA | Boston, MA | Charles River Marathon - 2023 | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-239 | USA | Waukegan, IL | George Bridges 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-240 | USA | Chicago, IL | AC5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-241 | USA | Chicago, IL | Run Mag Mile 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-242 | USA | Chicago, IL | Run Mag Mile 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-243 | USA | Jersey City, NJ | Newport Liberty Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-244 | USA | Chicago, IL | The Bank of America Chicago Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-245 | USA | Jersey City, NJ | NYCRUNS Newport Liberty 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-246 | USA | Scottsdale, AZ | lululemon 10K Tour - Scottsdale | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-247 | USA | Phoenix, AZ | Runner's Den Pancake Run 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-248 | USA | Phoenix, AZ | Runner's Den Pancake Run 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-249 | USA | Waukesha, WI | Trailbreaker Marathon 2024 | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-250 | USA | Tulsa, OK | Tailgate 5k at Marshall Brewing Company | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-251 | USA | Hartford, CT | Hartford 5 - 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-252 | USA | Bronx, NY | NYRR Bronx 10 Mile | 10MI | Downhill (-1.06068 m/km) | 2028 |
| USA-2023-253 | USA | Buffalo, NY | Maggie Lee 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-254 | USA | South Deerfield, MA | Tree House Brewing Company Half Marathon - 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-255 | USA | Portland, OR | Portland Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-256 | USA | Oakfield, NY | Caryville Inn Turkey Trot 5 km | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-257 | USA | Hartford, CT | Eversource Hartford Marathon 2023 | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-258 | USA | Portland, OR | Portland Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-259 | USA | San Francisco, CA | Giant Race Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-260 | USA | Detroit, MI | Detroit Free Press US Only Half Marathon 2023 | Half Marathon | N/A (Non-standard distance) | 2028 |
| USA-2023-261 | USA | San Clemente, CA | Monster Dash | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-262 | USA | Olympia , WA | Fall Frolic 5 Mile | 5MI | N/A (Non-standard distance) | 2028 |
| USA-2023-263 | USA | Detroit, MI | Detroit Free Press Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-264 | USA | Detroit, MI | Detroit Free Press Marathon 2023 | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-265 | USA | Wichita, KS | Tanker Trot 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-266 | USA | Wichita, KS | Tanker Trot 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-267 | USA | Bethlehem, PA | Bethlehem Running Festival Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-268 | USA | Arnold, MD | Get Your Rear in Gear Baltimore 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-269 | USA | Arnold, MD | Get Your Rear in Gear Baltimore 1 Mile | Mile | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-270 | USA | Cherry Hill, NJ | Katz JCC 5K 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-271 | USA | Tulsa, OK | Festival Park Lederhosen 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-272 | USA | Rochester, NY | East Avenue Grocery Run 10 km | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-273 | USA | Phoenix, AZ | Phoenix 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-274 | USA | Phoenix, AZ | Phoenix Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-275 | USA | Valley Cottage, NY | McKirdy Micro 10km | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-277 | USA | Grand Rapids, MI | Grand Rapids Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-278 | USA | Hulbert, OK | Sequoyah Lodge 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-279 | USA | Medford, OR | 2023 Rogue Marathon | Marathon | Separation >50%, Downhill (-6.89655 m/km) | 2028 |
| USA-2023-280 | USA | Medford, OR | 2023 Rogue Half Marathon | Half Marathon | Separation >50%, Downhill (-4.97689 m/km) | 2028 |
| USA-2023-281 | USA | New Hyde Park, NY | The New Hyde Park-Mineola 8k | 8KM | N/A (Non-standard distance) | 2028 |
| USA-2023-282 | USA | East Islip, NY | Run 4 Beigel 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-283 | USA | Raleigh, NC | 2023 Raleigh Holiday Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-284 | USA | Winston Salem, NC | Mistletoe Half Marathon 2023 - White | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-285 | USA | Winston Salem, NC | Mistletoe 5k 2023 - White | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-286 | USA | Durham, NC | RDC 10k | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-287 | USA | Queens, NY | QDR Elmhurst Mile | Mile | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-288 | USA | Weston, MA | Susan McDaniel Run for Lovelane 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-289 | USA | Oak Brook, IL | Northern Illinois Food Bank 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-290 | USA | Newton, MA | Paddy's 3 Mile | 3MI | N/A (Non-standard distance) | 2028 |
| USA-2023-291 | USA | Harding Township, NJ | Harding Half-Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-292 | USA | Brooklyn, NY | NYCRUNS Falling Leaves Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-293 | USA | New York, NY | NYCRUNS Haunted Island 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-294 | USA | New York, NY | NYCRUNS Haunted Island 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-295 | USA | Raleigh, NC | Trinity Academy 5K (2023) | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-296 | USA | Brooklyn, NY | NYCRUNS Falling Leaves 5K | 5KM | Downhill (-1.6 m/km) | 2028 |
| USA-2023-297 | USA | Clovis, CA | Two Cities Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-298 | USA | Ocean City, MD | Ocean City Running Festival Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-299 | USA | Assateague Island, MD | Ocean City Running Festival Half-Marathon | Half Marathon | Separation >50% | 2028 |
| USA-2021-70 | USA | Indianapolis, IN | Indianapolis Monumental Marathon | Marathon | Comp. Rule 31.21 compliant | 2026 |
| USA-2023-300 | USA | Wilmington, NC | Wilmington Historic 10k 2023 | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-301 | USA | Nashville, TN | Nashville Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-302 | USA | Wilmington, NC | Wilmington Historic Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-303 | USA | Wilmington, NC | 2023 Battleship NC Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-304 | USA | Vienna, IL | Tunnel Hill 100-Mile Run | 100MI | N/A (Non-standard distance) | 2028 |
| USA-2023-305 | USA | Vienna, IL | Tunnel Hill 50-Mile Run | 50MI | N/A (Non-standard distance) | 2028 |
| USA-2023-306 | USA | Saddle River, NJ | Saddle River 5K 2024 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-307 | USA | Schenectady , NY | Run 4 Your Life | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-308 | USA | Montclair, NJ | Montclair Doughnut Run 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-309 | USA | Troy, NY | Troy Turkey Trot 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-310 | USA | New York, NY | MSQ Mile - 102nd Finish | Mile | Separation >50%, Downhill (-6.21371 m/km) | 2028 |
| USA-2023-311 | USA | Nashville, TN | Nashville Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-312 | USA | Santa Monica, CA | Santa Monica-Venice Christmas Run 5 km | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-313 | USA | Santa Monica, CA | Santa Monica-Venice Christmas Run 10 km | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-314 | USA | Bethlehem, PA | St. Luke's D&L RaceFest Marathon | Marathon | Separation >50%, Downhill (-1.42 m/km) | 2028 |
| USA-2023-315 | USA | Easton, PA | St. Luke's D&L RaceFest Half Marathon | Half Marathon | Separation >50%, Downhill (-1.49 m/km) | 2028 |
| USA-2023-316 | USA | Troy, NY | Troy Turkey Trot 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-317 | USA | Queens, NY | Queens Marathon 2023 | 42.2089KM | N/A (Non-standard distance) | 2028 |
| USA-2023-318 | USA | Queens, NY | QDR Half Marathon 2023 | Half Marathon | N/A (Non-standard distance) | 2028 |
| USA-2023-319 | USA | Ft. Gibson, OK | MMT1 Fort Gibson Park 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-320 | USA | New York, NY | MSQ 4 Mile - 102nd S/F | 4MI | N/A (Non-standard distance) | 2028 |
| USA-2023-321 | USA | Atlanta, GA | REaDy to Run 5k Run/Walk Marietta Roswell Alumnae Chapter | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-322 | USA | Madison, WI | Madison Marathon 2023 | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-323 | USA | Madison, WI | Madison Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-324 | USA | New York, NY | NYCRUNS Big Apple 5K | 5KM | Downhill (-1.8 m/km) | 2028 |
| USA-2023-325 | USA | New York, NY | NYCRUNS Big Apple Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-326 | USA | Brighton, NY | MCC 5 km | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-327 | USA | Glendale, AZ | Across the Years 24-Hour Run (Alternate) | 2.2669KM | N/A (Non-standard distance) | 2028 |
| USA-2023-328 | USA | Eugene, OR | Run to Stay Warm Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-329 | USA | New York, NY | NYCRUNS Go Nuts for Donuts 10K | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-330 | USA | De Pere, WI | De Pere Half Marathon 2023 | Half Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-331 | USA | De Pere, WI | Run De Pere 5K 2023 | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-332 | USA | Wichita, KS | 2023 Wichita Turkey Trot 10 Mile | 10MI | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-333 | USA | Dallas, TX | 2023 Dallas YMCA Turkey Trot 8 Miler | 8MI | N/A (Non-standard distance) | 2028 |
| USA-2023-334 | USA | San Antonio, TX | Rock 'n' Roll San Antonio 5 km | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-335 | USA | San Antonio, TX | Rock 'n' Roll San Antonio 10 km | 10KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2021-71 | USA | Houston, TX | Chevron Houston Marathon 2022 | Marathon | Comp. Rule 31.21 compliant | 2026 |
| USA-2023-336 | USA | Bryan, TX | BCS Marathon 2023 | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-337 | USA | Irving, TX | Irving Turkey Trot 8 mile B | 8MI | N/A (Non-standard distance) | 2028 |
| USA-2023-338 | USA | Andover, MA | FEASTER FIVE ROAD RACE - 5K | 5.07138KM | N/A (Non-standard distance) | 2028 |
| USA-2023-339 | USA | Tahlequah, OK | Anthis-Brennan Sports Complex 5k | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-340 | USA | Natick, MA | Frosty 5K | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-341 | USA | Arlington, VA | Arlington Turkey Trot | 5KM | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-342 | USA | San Antonio, TX | Rock 'n' Roll San Antonio Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-343 | USA | Champaign-Urbana, IL | Illinois Marathon | Marathon | Comp. Rule 31.21 compliant | 2028 |
| USA-2023-344 | USA | San Antonio, TX | Rock 'n' Roll San Antonio Half Marathon | Half Marathon | Comp. Rule 31.21 compliant | 2028 |