| 301 | 18 Oct 26 | Cloverdale Vineyard Races | 5K/10K/13.1M | Cloverdale, CA |
| 302 | 18 Oct 26 | City Beer Runs - Standard Deviant Brewing | 5K/10K | San Francisco, CA |
| 303 | 18 Oct 26 | Beverly Hills Run of the STARS 5K | 5K | Beverly Hills, CA |
| 304 | 18 Oct 26 | City to the Sea Half Marathon | 5K/13.1M | San Luis Obispo, CA |
| 305 | 18 Oct 26 | Making Strides Against Breast Cancer of San Diego 5K Run | 5K | San Diego, CA |
| 306 | 18 Oct 26 | Making Strides Against Breast Cancer of San Diego 5K Run | 5K | San Diego, CA |
| 307 | 23 Oct 26 | 2026 Alpha Win Napa Valley - FALL | triathlon | Napa, CA |
| 308 | 23 Oct 26 | Ragnar Trail SoCal Individual | 3.1M | Warner Springs, CA |
| 309 | 23 Oct 26 | Ragnar Trail SoCal | 120M | Warner Springs, CA |
| 310 | 24 Oct 26 | Haunted Corner 5K, 10K Pleasant Hill | 10K/5K | Pleasant Hill, CA |
| 311 | 24 Oct 26 | 2026 Night Nation Run - Sacramento, CA | 5K | Sacramento, CA |
| 312 | 24 Oct 26 | Big Sur River Run | 10K/5K | Big Sur, CA |
| 313 | 24 Oct 26 | Trail Run at Sly Park | 5K/10K/8.5M/13.1M/18M/26.2M/50K | Pollock Pines, CA |
| 314 | 24 Oct 26 | SoCal's Sunset Trick or Trot 5K/10K - Halloween Race | 5K/10K | Huntington Beach, CA |
| 315 | 24 Oct 26 | RunThrough USA Long Beach Half Marathon Race | 5K/10K/13.1M | Long Beach, CA |