| 841 | 21 Sep 25 | Golden Gallop | 5K/10K | Golden, CO |
| 842 | 21 Sep 25 | Fox Valley Marathon Races | 13.1/20/26.2/5K | Saint Charles, IL |
| 843 | 21 Sep 25 | 2025 TOUGHMAN Westchester Triathlon - (SUNDAY) | triathlon | Rye, NY |
| 844 | 21 Sep 25 | Conquer the Cave 5K | 5K | Woodville, AL |
| 845 | 21 Sep 25 | Catalina State Park 50-Year Trail Race and Easy 5K Trail Run | 5K/9.3M | Tucson, AZ |
| 846 | 21 Sep 25 | Asha-Jyothi 5K | 1M/5K | Fremont, CA |
| 847 | 21 Sep 25 | Jurassic Jaunt 5K, 10K, 10 Miler, and Half Marathon | 5K/10K/13.1M | Long Beach, CA |
| 848 | 21 Sep 25 | Pacific Coast Triathlon | Sprint Duathlon/Sprint Triathlon | Laguna Beach, CA |
| 849 | 21 Sep 25 | San Francisco Aloha Run | 5K/10K | San Francisco, CA |
| 850 | 21 Sep 25 | Santa Cruz Triathlon | Olympic/Sprint Triathlon | Santa Cruz, CA |
| 851 | 21 Sep 25 | Angevine Farm Trail Festival | 5K/21K/50K | Warren, CT |
| 852 | 21 Sep 25 | Cockaponsett Trails to a Cure | 4M/9M | Chester, CT |
| 853 | 21 Sep 25 | Stop-Drop & Run 5K | 5K | Long Neck, DE |
| 854 | 21 Sep 25 | 'Oui' Run 5K | 1M/5K | Chicago, IL |
| 855 | 21 Sep 25 | Carlyle Lake Triathlon | Olympic/Sprint Triathlon/Sprint Triathlon Relay/halfiron | Carlyle, IL |