| 13351 | 27 Nov 25 | Run Against Hunger | 5K/10K | Stockton, CA |
| 13352 | 27 Sep 25 | Loop the Lake Race | 5K | Stockton, CA |
| 13353 | 13 Sep 25 | 2025 Belews Lake Olympic Triathlon | triathlon | Stokesdale, NC |
| 13354 | 13 Sep 25 | Belews Lake Olympic Triathlon | Olympic Duathlon/Olympic Triathlon | Stokesdale, NC |
| 13355 | 05 Oct 25 | Cranberry Craze | 5K | Stone Lake, WI |
| 13356 | 06 Dec 25 | Tarc Fells Trail Winter Ultra | 8M/32M | Stoneham, MA |
| 13357 | 13 Sep 25 | 2025 Toughman Triathlon - Olympic Events . . | triathlon | Stoney Point, NY |
| 13358 | 13 Aug 25 | Stonington Cross Country 5K | 5K | Stonington, CT |
| 13359 | 19 Aug 25 | Battle of Stonington 5K | 5K | Stonington, CT |
| 13360 | 04 Oct 25 | CFA Trail 5K and Children's Fun Run for Mental Health | 5K | Stonington, CT |
| 13361 | 02 Nov 25 | Stonington Vineyards Wine Run Turkey Trot 5k | 5K | Stonington, CT |
| 13362 | 12 Oct 25 | Three Village Rotary Bench Octoberfest 5K | 5K | Stony Brook, NY |
| 13363 | 05 Oct 25 | SOLES for All Souls 5K Race/2K Walk | 5K | Stony Brook, NY |
| 13364 | 21 Sep 25 | Diamond Mountain Triathlon | 19M | Stony Point, NY |
| 13365 | 13 Sep 25 | Toughman Triathlon | Half/Olympic/Sprint Triathlon/aquathon | Stony Point, NY |