| 601 | 26 Nov 25 | 2025 Winery at Bull Run Turkey Trot 5k/10k | 10K/5K | Centreville, VA |
| 602 | 21 Dec 25 | 2025 Winter Wonderland 5k/10k | 10K/5K | Arlington, VA |
| 603 | 08 Sep 25 | 2025 Wisconsin ANVIL Ultra Triathlon | triathlon | Dousman, WI |
| 604 | 06 Sep 25 | 2025 Wolfman Triathlon & Trail Runs | triathlon | White Lake, WI |
| 605 | 06 Sep 25 | 2025 Wonders Sprint Triathlon - SATURDAY | triathlon | Hewitt, NJ |
| 606 | 06 Sep 25 | 2025 World Cancer Day 1M 5K 10K 13.1 26.2 | 10K/13.1/1M/26.2/5K/Triathlon/Ultra | Bowling Green, OH |
| 607 | 08 Nov 25 | 2025 WSU Turkey Triathlon & 5K - Ogden | triathlon | Ogden, UT |
| 608 | 12 Oct 25 | 2025 Wurst Tri Ever | triathlon | New Braunfels, TX |
| 609 | 13 Sep 25 | 2025 XTERRA Branson Mountain Man Off-Road Triathlon | triathlon | Branson, MO |
| 610 | 13 Sep 25 | 2025 XTERRA Lake Tahoe | triathlon | Incline Village, NV |
| 611 | 12 Oct 25 | 2025 XTERRA WETSUITS Mission Bay Triathlon & San Diego 5K | 5K | San Diego, CA |
| 612 | 13 Sep 25 | 2025 Yak-A-Du KAYAK Duathlon | triathlon | Long Beach, MS |
| 613 | 27 Sep 25 | 2025 YMCA Wrightsville Beach Sprint Triathlon | triathlon | Wrightsville Beach, NC |
| 614 | 19 Oct 25 | 2025 YMCA Youth Triathlon | triathlon | Lecanto, FL |
| 615 | 16 Nov 25 | 2025 YMCA Youth Triathlon - Fall | triathlon | Boca Raton, FL |