| 14731 | 26 Sep 26 | South Shore 3 Beach Minimum Half Marathon | 13.1M | Hull, MA |
| 14732 | 15 Aug 26 | South Side Run with the Rams 5K | 5K | Hookstown, PA |
| 14733 | 28 Jun 26 | South Suburban Goodson TRYathlon | Sprint Triathlon/youth triathlon | Centennial, CO |
| 14734 | 01 Aug 26 | South Texas Rollers Cross Country Invitational Season Opener | 5K | Corpus Christi, TX |
| 14735 | 17 Oct 26 | South Texas Ultra | ['50K'/ '35K'/ '17K'/ '5K'/ 'Ultra'] | Leakey, TX |
| 14736 | 26 Nov 26 | South Vineland Thanksgiving Run | 3M | Vineland, NJ |
| 14737 | 31 Oct 26 | South West Center City 5K | 1M/5K | Philadelphia, PA |
| 14738 | 05 Jul 26 | Southampton Firecracker 8K | 3M/8K | Southampton, NY |
| 14739 | 02 Aug 26 | Southampton Race of Hope 5K | 1M/5K | Southampton, NY |
| 14740 | 12 Sep 26 | SouthArk Outdoor Expo Hero 5K Run/Walk | 5K | El Dorado, AR |
| 14741 | 05 Sep 26 | Southern Hills Triathlon | Olympic/Sprint Triathlon/Sprint Triathlon Relay/youth triathlon | Hot Springs, SD |
| 14742 | 26 Sep 26 | Southern New Hampshire Health 5K | 5K | Nashua, NH |
| 14743 | 26 Nov 26 | Southern Oregon Runners Turkey Trot | 2M/5K | Talent, OR |
| 14744 | 24 Oct 26 | Southern Oregon Young Marines DDR 5K/10K | 5K/10K | Medford, OR |
| 14745 | 08 Aug 26 | Southern Star Brewing Co 5K | 5K | Conroe, TX |