| 8266 | 13 Sep 26 | Ithaca 5 & 10 | 5K/10K | Ithaca, NY |
| 8267 | 19 Sep 26 | Ithaca Tompkins Regional Airport Runway 5K | 5K | Ithaca, NY |
| 8268 | 09 Jun 26 | Ithaca Twilight 5K | 5K | Ithaca, NY |
| 8269 | 12 Dec 26 | ITMS Howl-iday Hustle, Run, Walk, and Play | 5K | Winter Springs, FL |
| 8270 | 12 Sep 26 | IU Indianapolis Jaguar 5K | 5K | Indianapolis, IN |
| 8271 | 27 Sep 26 | IUP College of Health Sciences Run for the Health of It 5K | 5K | Indiana, PA |
| 8272 | 07 Sep 26 | IVS Bridge To Bridge Run | 4M | Peoria, IL |
| 8273 | 25 Jul 26 | Izzy's Dino Dash 5K | 5K | Sauget, IL |
| 8274 | 27 Sep 26 | J-Hawk Latebird Race Series: Triathlon/Duathlon | Olympic/Sprint/Sprint Triathlon Relay/duathlon/supersprint triathlon | Whitewater, WI |
| 8275 | 06 Jun 26 | J-Town Jog 5K | 5K | Johnstown, CO |
| 8276 | 06 Jun 26 | J. R. Taylor 5K Race and Walk | 5K | Bethel Park, PA |
| 8277 | 19 Sep 26 | J.J. The Jet Plane Foundation 5K For Pediatric Cancer | 5K | Frenchburg, KY |
| 8278 | 06 Jun 26 | J.P. Jones Just Plain 10K | 3.3K/10K | Fort Wayne, IN |
| 8279 | 24 Jun 26 | J.P. Morgan Corporate Challenge | 3.5M | Boston, MA |
| 8280 | 10 Sep 26 | J.P. Morgan Corporate Challenge | 3.5M | San Francisco, CA |