| 4486 | 19 Oct 25 | Ghostly Gallup - National Ghost Hunting Day Run | 5K/10K/15K/13.1M | Long Beach, CA |
| 4487 | 19 Oct 25 | Half Moon Bay Pumpkin Run | 5K/10K/13.1M | Half Moon Bay, CA |
| 4488 | 19 Oct 25 | Ironman California | ironman triathlon | Sacramento, CA |
| 4489 | 19 Oct 25 | Jeepers Creepers Run | 5K/10K/13.1M | Santa Clarita, CA |
| 4490 | 19 Oct 25 | Lake Hodges Off-Road Duathlon | other duathlon | San Diego, CA |
| 4491 | 19 Oct 25 | Mermaid Run San Francisco | 5K/10K | San Francisco, CA |
| 4492 | 19 Oct 25 | Mission Inn Run | 5K/10K/13.1M | Riverside, CA |
| 4493 | 19 Oct 25 | Pasadena Trail Half Marathon | 5K/10K/13.1M | Pasadena, CA |
| 4494 | 19 Oct 25 | San Diego Hip Hop 5K | 5K | San Diego, CA |
| 4495 | 19 Oct 25 | Expo Park XC | 2K/3K/4K/5K | Aurora, CO |
| 4496 | 19 Oct 25 | Pamby Ridgefield Half Marathon | 7M/13.1M | Ridgefield, CT |
| 4497 | 19 Oct 25 | Delaware Distance Classic | 5K/15K | Wilmington, DE |
| 4498 | 19 Oct 25 | Mariners Bethel Trail Run | 5K/10K | Frankford, DE |
| 4499 | 19 Oct 25 | Tommy C 5K | 5K | Rehoboth, DE |
| 4500 | 19 Oct 25 | Bill Bone Tropical Triathlon | Sprint Duathlon/Sprint Triathlon/Sprint Triathlon Relay/sprint duathlon relay | Lake Worth, FL |