| 15181 | 05 Oct 25 | 2025 Sekani Trail Run | 1K/5K/10K | Spokane, WA |
| 15182 | 02 Aug 25 | 2025 Seeley Lake Challenge Triathlon/Duathlon | triathlon | Seeley Lake, MT |
| 15183 | 20 Jul 25 | 2025 Seafair Triathlon | triathlon | Seattle, WA |
| 15184 | 05 Oct 25 | 2025 Sea Turtle Kids Triathlon | triathlon | Pensacola Beach, FL |
| 15185 | 26 Jul 25 | 2025 Sea to Summit Triathlon | triathlon | South Berwick, ME |
| 15186 | 23 Aug 25 | 2025 Scoogie Events Kid's Rock Endless Summer Triathlon - AUGUST | triathlon | Penllyn, PA |
| 15187 | 15 Nov 25 | 2025 Savannah Southern Half | 5K | Savannah, GA |
| 15188 | 06 Dec 25 | 2025 Santa's Summit 5k/10k | 10K/5K | Clifton, VA |
| 15189 | 21 Dec 25 | 2025 Santa's Sleigh 5k/Half | 13.1/5K | Washington, DC |
| 15190 | 04 Oct 25 | 2025 Santa Rosa Island Triathlon | triathlon | Pensacola Beach, FL |
| 15191 | 09 Aug 25 | 2025 Santa Rosa - City of Lakes Triathlon | triathlon | Santa Rosa, NM |
| 15192 | 09 Aug 25 | 2025 Sandhills Adventure | triathlon | Brady, NE |
| 15193 | 10 Aug 25 | 2025 Sand & Surf 5k/10k | 10K/5K | Virginia Beach, VA |
| 15194 | 13 Sep 25 | 2025 San Diego Tri Classic Olympic & Sprint | triathlon | San Diego, CA |
| 15195 | 08 Nov 25 | 2025 Salute the Troops 5k/10k | 10K/5K | Glenn Dale, MD |