| 8866 | 13 Jun 26 | Super HYAK Marathon & Half Marathon | 13.1M/26.2M | Snoqualmie Pass, WA |
| 8867 | 11 Jul 26 | Cirque Series - Snowbird | 8.6M | Snowbird, UT |
| 8868 | 05 Jun 26 | Ragnar Trail Colorado | 120M | Snowmass Village, CO |
| 8869 | 05 Jun 26 | Ragnar Trail Colorado Individual | 24H/6.6H/6H trail run | Snowmass Village, CO |
| 8870 | 23 May 26 | West Virginia Trail Fest | 30K/60K/100K | Snowshoe, WV |
| 8871 | 01 Aug 26 | Point Mariah Trail Marathon | 26.2M | Soda Springs, CA |
| 8872 | 04 Jul 26 | Sodus Bay Lighthouse 5K | 5K | Sodus Point, NY |
| 8873 | 26 Jul 26 | Solana Beach Triathlon & Duathlon and Solana Beach 5K | 5K | Solana Beach, CA |
| 8874 | 16 May 26 | Law Enforcement Torch Run | 5K | Soldotna, AK |
| 8875 | 18 Apr 26 | Calvert Marine Museum Society Otter Trot 5K | 5K | Solomons, MD |
| 8876 | 02 May 26 | Sole Circle - Solomons Island 5K | 5K | Solomons Island, MD |
| 8877 | 18 Jul 26 | Lake MacBride Trail Races | 25K/50K | Solon, IA |
| 8878 | 11 Apr 26 | Iowa Trail Run Series: Lake Macbride | 5K/10K/13.1M | Solon, IA |
| 8879 | 18 Jul 26 | North Country Trail Races | 5K/13.1M/26.2M | Solon Springs, WI |
| 8880 | 09 May 26 | Santa Barbara Wine Country Half Marathon | 5K,13.1 | Solvang, CA |