| 9856 | 17 Oct 26 | South Jersey FCA 5K | 5K | Collingswood, NJ |
| 9857 | 27 Sep 26 | South Lakes 10K | 10K | Reston, VA |
| 9858 | 13 Sep 26 | South Nyack 10 Miler | 10M | South Nyack, NY |
| 9859 | 26 Sep 26 | South Orange Family Annual 5K and Kids Color Dash | 5K | Monroe, NY |
| 9860 | 27 Sep 26 | South Padre Island Triathlon | Olympic/Sprint Triathlon/Sprint Triathlon Relay | South Padre Island, TX |
| 9861 | 25 Oct 26 | South Park 5K | 5K | South Park, PA |
| 9862 | 05 Dec 26 | South Pasadena Tiger Run | 5K/10K | South Pasadena, CA |
| 9863 | 05 Dec 26 | South Riding Jingle Bell Dash | 5K/10K | South Riding, VA |
| 9864 | 27 Sep 26 | South Seas Captiva Island Triathlon | Sprint/Sprint Duathlon/Sprint Triathlon Relay/supersprint triathlon | Captiva, FL |
| 9865 | 26 Sep 26 | South Shore "3 Beach Minimum" Half Marathon | 13.1 | Hull, MA |
| 9866 | 26 Sep 26 | South Shore 3 Beach Minimum Half Marathon | 13.1M | Hull, MA |
| 9867 | 08 Nov 26 | South Shore Half Marathon | ['Half Marathon'] | Hingham, MA |
| 9868 | 17 Oct 26 | South Texas Ultra | ['50K'/ '35K'/ '17K'/ '5K'/ 'Ultra'] | Leakey, TX |
| 9869 | 26 Nov 26 | South Vineland Thanksgiving Run | 3M | Vineland, NJ |
| 9870 | 31 Oct 26 | South West Center City 5K | 1M/5K | Philadelphia, PA |