| 226 | 16 Aug 25 | 2025 Fall Creek Falls Half Iron, Olympic & Sprint Triathlon | triathlon | Spencer, TN |
| 227 | 05 Oct 25 | 2025 Fall Foliage 5k/10k | 10K/5K | College Park, MD |
| 228 | 15 Nov 25 | 2025 Fall Run for the Wounded 5k/10k/Half | 10K/13.1/5K | Triangle, VA |
| 229 | 11 Oct 25 | 2025 FALL Wicked Wine Run El Paso | 1K/5K | La Union, NM |
| 230 | 24 Aug 25 | 2025 Fawn Lake Sprint Triathlon | triathlon | Spotsylvania Courthouse, VA |
| 231 | 07 Sep 25 | 2025 Finger Lakes Triathlon - Sunday | triathlon | Canandaigua, NY |
| 232 | 06 Sep 25 | 2025 Finger Lakes Youth Triathlon - Saturday . . | triathlon | Canandaigua, NY |
| 233 | 13 Sep 25 | 2025 Fontana Triathlon | triathlon | Fontana, WI |
| 234 | 01 Nov 25 | 2025 Food & Friends 5k/10k | 10K/5K | Washington, DC |
| 235 | 02 Nov 25 | 2025 For The Health Of It 5k | 5K | Fairfax Station, VA |
| 236 | 04 Oct 25 | 2025 Fort Hunt Park 5k/10k | 10K/5K | Alexandria, VA |
| 237 | 20 Sep 25 | 2025 Fort Steilacoom Open & youth 1 mile | 5K | Lakewood, WA |
| 238 | 08 Nov 25 | 2025 Fort Worth Marathon, 20 Mile Race, Half Marathon, 10K, & 5K | 5K/10K | Fort Worth, TX |
| 239 | 30 Aug 25 | 2025 Fox Island Sprint Triathlon #2 - TBA . . | triathlon | Fort Wayne, IN |
| 240 | 28 Sep 25 | 2025 Fox Trot 5k | 1M/5K | Keswick, VA |