| 976 | 15 Nov 25 | 2025 Wicked Wine Run Temecula, CA | 1K/5K | Temecula, CA |
| 977 | 26 Jul 25 | 2025 Wild Rose Womens' Triathlon | triathlon | Alcoa, TN |
| 978 | 19 Jul 25 | 2025 Wilderman Triathlon | triathlon | Walhalla, ND |
| 979 | 18 Oct 25 | 2025 Wilderness Run 5k/10k | 10K/5K | Spotsylvania, VA |
| 980 | 07 Sep 25 | 2025 Wildlife Loop Triathlon | triathlon | Custer, SD |
| 981 | 20 Sep 25 | 2025 Wildman Triathlon Experience | triathlon | Lawrenceburg, KY |
| 982 | 03 Aug 25 | 2025 Wildwood Navy Seal Challenge | triathlon | Wildwood, NJ |
| 983 | 03 Aug 25 | 2025 Williamstown Badgers Autumn Lake Triathlon | triathlon | Williamstown, NJ |
| 984 | 12 Aug 25 | 2025 Winding Trails Triathlon Series Race #10 | triathlon | Farmington, CT |
| 985 | 22 Jul 25 | 2025 Winding Trails Triathlon Series Race #7 | triathlon | Farmington, CT |
| 986 | 29 Jul 25 | 2025 Winding Trails Triathlon Series Race #8 | triathlon | Farmington, CT |
| 987 | 05 Aug 25 | 2025 Winding Trails Triathlon Series Race #9 | triathlon | Farmington, CT |
| 988 | 14 Sep 25 | 2025 Wine Run at Westport Rivers Vineyard and Winery - 5k | 5K | Westport, MA |
| 989 | 26 Nov 25 | 2025 Winery at Bull Run Turkey Trot 5k/10k | 10K/5K | Centreville, VA |
| 990 | 21 Dec 25 | 2025 Winter Wonderland 5k/10k | 10K/5K | Arlington, VA |