| 3226 | 05 Dec 26 | South Riding Jingle Bell Dash | 5K/10K | South Riding, VA |
| 3227 | 29 Aug 26 | South Portland Food Cupboard - St. Max 5K Run/Walk | 1K/5K | Scarborough, ME |
| 3228 | 05 Dec 26 | South Pasadena Tiger Run | 5K/10K | South Pasadena, CA |
| 3229 | 25 Oct 26 | South Park 5K | 5K | South Park, PA |
| 3230 | 27 Sep 26 | South Padre Island Triathlon | Olympic/Sprint Triathlon/Sprint Triathlon Relay | South Padre Island, TX |
| 3231 | 08 Aug 26 | South Orange Family YMCA Kid's Triathlon | youth triathlon | Walden, NY |
| 3232 | 26 Sep 26 | South Orange Family Annual 5K and Kids Color Dash | 5K | Monroe, NY |
| 3233 | 27 Sep 26 | South Lakes 10K | 10K | Reston, VA |
| 3234 | 17 Oct 26 | South Jersey FCA 5K | 5K | Collingswood, NJ |
| 3235 | 20 Jun 26 | South Haven Triathlon | 25K | South Haven, MI |
| 3236 | 14 Aug 26 | South Fork Pandemonium | adventure race | South Fork, CO |
| 3237 | 05 Sep 26 | South Fork Alder Ass Race | 3M/11M | South Fork, CO |
| 3238 | 28 Nov 26 | South Florida First Responders Foundation, Heroes Run! 10K 5K | 1M/5K/10K | Pompano Beach, FL |
| 3239 | 26 Nov 26 | South Davis Thanksgiving Day Races | 5K/10K | Bountiful, UT |
| 3240 | 07 Sep 26 | South Davis Labor Day Triathlon | Sprint/supersprint triathlon | Bountiful, UT |