| 871 | 22 Aug 26 | Santa Rosa Marathon, Half Marathon, 10K, and 5K | 5K | Santa Rosa, CA |
| 872 | 22 Aug 26 | The 2026 Granite Bay Triathlon | triathlon | Granite Bay, CA |
| 873 | 23 Aug 26 | The Good Dog-Dirty Dog 5K & 10K Trail Runs | 5K/10K | Granite Bay, CA |
| 874 | 23 Aug 26 | Splash Dash 5k/ A Wet or Dry Run 5k plus Duckie Dash/Wild Rivers in Irvine | triathlon | Irvine, CA |
| 875 | 29 Aug 26 | Bubble Run | Pomona | 5K | Pomona, CA |
| 876 | 30 Aug 26 | 2026 Lake Tahoe Triathlon - Sunday Half & Olympic | triathlon | Tahoma, CA |
| 877 | 06 Sep 26 | 2026 Mount Shasta Tinman Triathlon | triathlon | Mt Shasta, CA |
| 878 | 07 Sep 26 | Tacos N Beer 5k--Long Beach Groupon | 5K | Long Beach, CA |
| 879 | 12 Sep 26 | The 2026 Gravel X Triathlon | triathlon | Granite Bay, CA |
| 880 | 13 Sep 26 | 2026 Ironman 70.3 Santa Cruz | triathlon | Santa Cruz, CA |
| 881 | 19 Sep 26 | Be The Light 5K | 5K/10K | Santa Clarita, CA |
| 882 | 19 Sep 26 | 2026 Surf City 10 | 5K/10K | Huntington Beach, CA |
| 883 | 10 Oct 26 | 2026 Wicked Wine Run Napa Valley Fall Date | 1K/5K | American Canyon, CA |
| 884 | 17 Oct 26 | SPACEROCK Trail Race | 5K/10K/13.1 | Agua Dulce, CA |
| 885 | 18 Oct 26 | 2026 Ironman California (Sacramento) 140.6 | triathlon | Sacramento, CA |