| 15166 | 07 Sep 26 | South Davis Labor Day Triathlon | Sprint/supersprint triathlon | Bountiful, UT |
| 15167 | 26 Nov 26 | South Davis Thanksgiving Day Races | 5K/10K | Bountiful, UT |
| 15168 | 05 Jun 27 | South Fayette Glow Run | 1M/5K | McDonald, PA |
| 15169 | 28 Nov 26 | South Florida First Responders Foundation, Heroes Run! 10K 5K | 1M/5K/10K | Pompano Beach, FL |
| 15170 | 05 Sep 26 | South Fork Alder Ass Race | 3M/11M | South Fork, CO |
| 15171 | 14 Aug 26 | South Fork Pandemonium | adventure race | South Fork, CO |
| 15172 | 17 Oct 26 | South Jersey FCA 5K | 5K | Collingswood, NJ |
| 15173 | 27 Sep 26 | South Lakes 10K | 10K | Reston, VA |
| 15174 | 13 Sep 26 | South Nyack 10 Miler | 10M | South Nyack, NY |
| 15175 | 26 Sep 26 | South Orange Family Annual 5K and Kids Color Dash | 5K | Monroe, NY |
| 15176 | 08 Aug 26 | South Orange Family YMCA Kid's Triathlon | youth triathlon | Walden, NY |
| 15177 | 27 Sep 26 | South Padre Island Triathlon | Olympic/Sprint Triathlon/Sprint Triathlon Relay | South Padre Island, TX |
| 15178 | 25 Oct 26 | South Park 5K | 5K | South Park, PA |
| 15179 | 05 Dec 26 | South Pasadena Tiger Run | 5K/10K | South Pasadena, CA |
| 15180 | 29 Aug 26 | South Portland Food Cupboard - St. Max 5K Run/Walk | 1K/5K | Scarborough, ME |