| 8521 | 24 Jan 26 | Jack Frost 5K | 5K | Springfield, MO |
| 8522 | 09 Aug 25 | Jack Duffy 5K Power Run | 5K | Horsham, PA |
| 8523 | 30 Aug 25 | Jack And Jill's Downhill Marathon | 13.1M/26.2M | Livingston, MT |
| 8524 | 28 Sep 25 | Jack and Allie Superhero 5K | 5K | Clermont, FL |
| 8525 | 20 Sep 25 | Jack 15 | 15.2M | Brookings, SD |
| 8526 | 13 Sep 25 | Jack & Jill's Downhill Marathon | 26.2M | Lehighton, PA |
| 8527 | 11 Oct 25 | Jace's 5K on the Runway | 1M/5K | New London, NC |
| 8528 | 09 Oct 25 | J.P. Morgan Corporate Challenge - Philadelphia | 3.5M | Philadelphia, PA |
| 8529 | 03 Sep 25 | J.P. Morgan Corporate Challenge | 3.5M | San Francisco, CA |
| 8530 | 06 Sep 25 | J.J. The Jet Plane Foundation 5K For Pediatric Cancer | 5K | Frenchburg, KY |
| 8531 | 28 Sep 25 | J-Hawk Latebird Race Series: Triathlon/Duathlon | Olympic/Sprint/Sprint Triathlon Relay/duathlon/supersprint triathlon | Whitewater, WI |
| 8532 | 25 Oct 25 | IWALK 2025 RUN & WALK | 5K | Woodbridge, VA |
| 8533 | 16 Aug 25 | Ivyland 5K | 1M/5K | Ivyland, PA |
| 8534 | 14 Sep 25 | IUP College of Health Sciences Run for the Health of It 5K | 5K | Indiana, PA |
| 8535 | 25 Oct 25 | Itty Bitty Kitty 2 Miler | 2M | Saint Albans, WV |