| 406 | 14 Nov 26 | West Valley Triathlon | Sprint/Sprint Duathlon/sprint duathlon relay/supersprint triathlon/supersprint triathlon relay/youth triathlon | Avondale, AZ |
| 407 | 31 Oct 26 | West U Halloween Dash | 1M/5K | Houston, TX |
| 408 | 16 Apr 27 | West Texas Ultra | ['50M'/ '50K'/ '25K'/ '10K'/ 'Ultra'] | Fritch, TX |
| 409 | 26 Sep 26 | West Tennessee Trail Run for Clean Water | 3M | Lakeland, TN |
| 410 | 05 Jun 27 | West Side Catholic Center Pancake Run | 5K | Cleveland, OH |
| 411 | 24 Oct 26 | West Seattle Monster Dash 5K | 5K | Seattle, WA |
| 412 | 10 Oct 26 | West Penn Trail Triathlon | sprint dry triathlon | Saltsburg, PA |
| 413 | 12 Sep 26 | West Newton River Festival 5K | 5K | West Newton, PA |
| 414 | 26 Sep 26 | West Line Winder | 30K/50K | Buena Vista, CO |
| 415 | 25 Apr 27 | West Island 5K | 1M/5K | Fairhaven, MA |
| 416 | 26 Nov 26 | West Hill Turkey Trot | 5K | Schenectady, NY |
| 417 | 26 Nov 26 | West Georgia Turkey Trot | 5K/10K | Carrollton, GA |
| 418 | 14 Nov 26 | West Georgia Track Club Trail Race 7.5K and 15K | 7.5K/15K | Carrollton, GA |
| 419 | 12 Sep 26 | West Fight On | 5K | Memphis, TN |
| 420 | 03 Oct 26 | West Elk Challenge Trail Marathon and 30K | 30K/26.2M | Crawford, CO |