| 751 | 05 Oct 25 | 2025 Sea Turtle Kids Triathlon | triathlon | Pensacola Beach, FL |
| 752 | 20 Jul 25 | 2025 Seafair Triathlon | triathlon | Seattle, WA |
| 753 | 02 Aug 25 | 2025 Seeley Lake Challenge Triathlon/Duathlon | triathlon | Seeley Lake, MT |
| 754 | 05 Oct 25 | 2025 Sekani Trail Run | 1K/5K/10K | Spokane, WA |
| 755 | 20 Jul 25 | 2025 Semper Fi 5k/10k/1M | 10K/1M/5K | Fredericksburg, VA |
| 756 | 25 Oct 25 | 2025 Semper Fi 5k/Half | 13.1/5K | Washington, DC |
| 757 | 11 Nov 25 | 2025 Service and Sacrifice 5k/Half | 13.1/5K | Washington, DC |
| 758 | 09 Aug 25 | 2025 Sharon Sprint Triathlon (Connecticut) | triathlon | Sharon, CT |
| 759 | 06 Sep 25 | 2025 She Sprints Women's Triathlon . . | triathlon | Aurora, CO |
| 760 | 20 Sep 25 | 2025 She Tris Sprint Triathlon - Carnes Crossroads | triathlon | Summerville, SC |
| 761 | 14 Sep 25 | 2025 She Tris Sprint Triathlon - Chapel Hill | triathlon | Chapel Hill, NC |
| 762 | 28 Sep 25 | 2025 She Tris Sprint Triathlon - Huntersville | triathlon | Huntersville, NC |
| 763 | 11 Oct 25 | 2025 She Tris Sprint Triathlon- Winterville | triathlon | Winterville, NC |
| 764 | 26 Jul 25 | 2025 Shell Lake Lions Triathlon / Duathlon . . | triathlon | Shell Lake, WI |
| 765 | 13 Sep 25 | 2025 Shenandoah River 5k/10k/Half | 10K/13.1/5K | Bentonville, VA |