| 13366 | 27 Nov 25 | Surfin' Turkey 5K and Puppy Drum Run | 5K | Hatteras, NC |
| 13367 | 27 Nov 25 | Surfside Rotary Turkey Trot | 5K/10K | Surfside Beach, SC |
| 13368 | 07 Sep 25 | Surftown Half Marathon | 5K/13.1M | Westerly, RI |
| 13369 | 07 Sep 25 | Surftown Half Marathon, Relay and 5K, presented by Westerly Hospital on September 7 | 5K | Westerly, RI |
| 13370 | 27 Sep 25 | Survival of the F.I.T.test 30 Hour Trail Ultra | 50K/100K | Cumberland, RI |
| 13371 | 14 Sep 25 | Survival of the Mills | other duathlon/other triathlon | Waretown, NJ |
| 13372 | 07 Sep 25 | Survival of the Shawangunks | other triathlon | New Paltz, NY |
| 13373 | 02 Aug 25 | Susan B. Anthony 5K | 5K | Sacramento, CA |
| 13374 | 20 Sep 25 | Susquehanna River Running Festival | 5K/10K/13.1M | Havre de Grace, MD |
| 13375 | 27 Sep 25 | Susquehanna Valley CASA Superhero 5K | 5K | Lewisburg, PA |
| 13376 | 19 Oct 25 | Sussex Superhero 5K | 5K | Lewes, DE |
| 13377 | 06 Sep 25 | Suvidha International 5K Seattle | 5K | Redmond, WA |
| 13378 | 20 Sep 25 | Suzanne Kresser Memorial 5K | 5K | Steubenville, OH |
| 13379 | 24 Aug 25 | SVA Stallion 5K | 5K | Spring Valley, OH |
| 13380 | 27 Sep 25 | SVDP Church of Our Saviour FOP Run | 5K | Cocoa Beach, FL |