| 676 | 19 Jul 26 | 2026 Wilderman Triathlon | triathlon | Walhalla, ND |
| 677 | 02 May 26 | 2026 Wildflower Endurance Weekend - Saturday Events | triathlon | Bradley, CA |
| 678 | 09 May 26 | 2026 Williamsburg Winery 5k/10k | 10K/5K | Williamsburg, VA |
| 679 | 10 Jan 26 | 2026 Winter Carderock 5k/10k/Half | 10K/13.1/5K | Potomac, MD |
| 680 | 21 Feb 26 | 2026 Winter Challenge Off-Road Triathlon & Duathlon | triathlon | Springfield, SC |
| 681 | 17 Jan 26 | 2026 Winter City Views 5k/10k | 10K/5K | Arlington, VA |
| 682 | 07 Mar 26 | 2026 Winter Conway Robinson 5k/10k | 10K/5K | Gainesville, VA |
| 683 | 11 Jan 26 | 2026 Winter Georgetown 5k/Half | 13.1/5K | Washington, DC |
| 684 | 04 Jan 26 | 2026 Winter Hains Point 5k/10k | 10K/5K | Washington, DC |
| 685 | 18 Jan 26 | 2026 Winter Island 5k/10k | 10K/5K | Stevensville, MD |
| 686 | 01 Feb 26 | 2026 Winter Rock Creek 5k/10k | 10K/5K | Washington, DC |
| 687 | 20 Jun 26 | 2026 Wisconsin Triterium Triathlon | triathlon | Verona, WI |
| 688 | 17 May 26 | 2026 Women's Gold Nugget Triathlon | triathlon | Anchorage, AK |
| 689 | 13 Jun 26 | 2026 Women's Trifecta Triathlon | triathlon | Shoreview, MN |
| 690 | 20 Jun 26 | 2026 Xterra Lory Off Road Triathlon | triathlon | Bellvue, CO |