| 16261 | 26 Sep 26 | South Orange Family Annual 5K and Kids Color Dash | 5K | Monroe, NY |
| 16262 | 08 Aug 26 | South Orange Family YMCA Kid's Triathlon | youth triathlon | Walden, NY |
| 16263 | 31 May 26 | South Orange Rescue Squad "Sound The Siren" 5K | 5K | South Orange, NJ |
| 16264 | 27 Sep 26 | South Padre Island Triathlon | Olympic/Sprint Triathlon/Sprint Triathlon Relay | South Padre Island, TX |
| 16265 | 25 Oct 26 | South Park 5K | 5K | South Park, PA |
| 16266 | 05 Dec 26 | South Pasadena Tiger Run | 5K/10K | South Pasadena, CA |
| 16267 | 29 Aug 26 | South Portland Food Cupboard - St. Max 5K Run/Walk | 1K/5K | Scarborough, ME |
| 16268 | 31 May 26 | South Ridge Trail Challenge | 5K/10K/20K | Allison Park, PA |
| 16269 | 05 Dec 26 | South Riding Jingle Bell Dash | 5K/10K | South Riding, VA |
| 16270 | 25 May 26 | South Salem Races | 5K/10K | South Salem, NY |
| 16271 | 27 Sep 26 | South Seas Captiva Island Triathlon | Sprint/Sprint Duathlon/Sprint Triathlon Relay/supersprint triathlon | Captiva, FL |
| 16272 | 26 Sep 26 | South Shore "3 Beach Minimum" Half Marathon | 13.1 | Hull, MA |
| 16273 | 26 Sep 26 | South Shore 3 Beach Minimum Half Marathon | 13.1M | Hull, MA |
| 16274 | 15 Aug 26 | South Side Run with the Rams 5K | 5K | Hookstown, PA |
| 16275 | 28 Jun 26 | South Suburban Goodson TRYathlon | Sprint Triathlon/youth triathlon | Centennial, CO |