| 17701 | 08 Aug 26 | Watershed Endurance 6H 3H Runs | 3H run/6H | Edwardsville, IL |
| 17702 | 26 Nov 26 | Waterside at the Catawba Turkey Trot | 5K | Fort Mill, SC |
| 17703 | 08 Aug 26 | Watertown Christian School Duck Run 5K | 5K | Watertown, SD |
| 17704 | 26 Nov 26 | Watertown Family YMCA Turkey Day Run | 5K | Watertown, NY |
| 17705 | 04 Oct 26 | Waterville Marathon | 5K/10K/13.1M/26.2M | Waterville, ME |
| 17706 | 20 Sep 26 | Waterville Valley Mountain Race | 7M | Waterville Valley, NH |
| 17707 | 13 Sep 26 | Watervliet Arsenal City Run | 5K | Watervliet, NY |
| 17708 | 26 Sep 26 | Watkins Mill Get Outdoors 6.6K | 6.6K | Lawson, MO |
| 17709 | 12 Jun 27 | Waubonsee Foundation Trail Run | 5K/10K | Sugar Grove, IL |
| 17710 | 25 Jul 26 | Wauconda Triathlons | youth triathlon | Wauconda, IL |
| 17711 | 11 Jul 26 | Waugoshance Trail Run | 13.1M/26.2M/50K | Mackinaw, MI |
| 17712 | 25 Jul 26 | Waunafest Run | 5K | Waunakee, WI |
| 17713 | 15 Aug 26 | Waupaca Area Triathlon | Sprint/supersprint dry triathlon/supersprint triathlon/youth triathlon | Waupaca, WI |
| 17714 | 14 Aug 26 | Waupaca Kids Triathlon | youth triathlon | Waupaca, WI |
| 17715 | 23 Aug 26 | Wausau Marathon | 5K/13.1M/26.2M | Wausau, WI |