| 856 | 10 Aug 25 | Hermosa Beach Triathlon | Sprint Triathlon | Hermosa Beach, CA |
| 857 | 10 Aug 25 | Howl at the Moon Half Marathon | 5K/10K/15K/13.1M | Long Beach, CA |
| 858 | 10 Aug 25 | Humboldt Bay Marathon | 13.1M/26.2M | Eureka, CA |
| 859 | 10 Aug 25 | SAR Wild Run | 5K/10K/13.1M | Shaver Lake, CA |
| 860 | 10 Aug 25 | TRI for FUN Triathlon #3 | Sprint/Sprint Duathlon/supersprint triathlon | Herald, CA |
| 861 | 10 Aug 25 | Tri for KIDS Triathlon - #3 | youth triathlon | Herald, CA |
| 862 | 10 Aug 25 | Tri Santa Cruz | Olympic/Sprint Aquathon/Sprint Duathlon/Sprint Triathlon | Santa Cruz, CA |
| 863 | 10 Aug 25 | Leadville 10K | 10K | Leadville, CO |
| 864 | 10 Aug 25 | Outdoor Divas Sprint Triathlon | Sprint Triathlon | Longmont, CO |
| 865 | 10 Aug 25 | Niantic Bay Triathlon | Sprint Triathlon | Niantic, CT |
| 866 | 10 Aug 25 | Cool Sommer Mornings Triathlon & 5K Series | 5K | Clermont, FL |
| 867 | 10 Aug 25 | Game On! Escape to Hutchinson Island Triathlon #2 | Olympic/Sprint Duathlon/Sprint Triathlon/Sprint Triathlon Relay | Stuart, FL |
| 868 | 10 Aug 25 | Classic City Sprint, Duathlon and Aquabike | Sprint Duathlon/Sprint Triathlon/Sprint Triathlon Relay | Athens, GA |
| 869 | 10 Aug 25 | Coon Creek Classic | 2K/10K | Hampshire, IL |
| 870 | 10 Aug 25 | Summer Sizzler | 1M/5K/10K/15K | Aurora, IL |