| 571 | 24 Oct 26 | 2026 Semper Fi 5k/Half | 13.1/5K | Washington, DC |
| 572 | 15 Mar 26 | 2026 Shamrock Run Fest presented by Toyota | 5K/8K | Portland, OR |
| 573 | 14 Mar 26 | 2026 Shamrock Shuffle 5k & 1 Mile Fun Run | 5K | Manheim, PA |
| 574 | 14 Mar 26 | 2026 Shamrock Shuffle 5k & 10k | 10K/5K | Lorton, VA |
| 575 | 02 Aug 26 | 2026 Shawnee Mission Triathlon & Duathlon | triathlon | Shawnee, KS |
| 576 | 16 May 26 | 2026 She Tris Sprint Triathlon - I'On Club | triathlon | Mount Pleasant, SC |
| 577 | 21 Jun 26 | 2026 She Tris Sprint Triathlon - South Charlotte | triathlon | Charlotte, NC |
| 578 | 01 Mar 26 | 2026 Shelbyville Triathlon Series - Race #1 | triathlon | Shelbyville, KY |
| 579 | 29 Mar 26 | 2026 Shelbyville Triathlon Series - Race #2 | triathlon | Shelbyville, KY |
| 580 | 28 Mar 26 | 2026 Shoreline Sharks 3 Half Marathon Entry | Half Marathon | West Haven, CT |
| 581 | 26 Nov 26 | 2026 Shoreline Turkey Trot 5K | 5K | West Haven, CT |
| 582 | 04 Apr 26 | 2026 Silver Moon Race: Kings River | Ultra | Reedley, CA |
| 583 | 31 May 26 | 2026 Silver Serpent Multisport Festival - Sunday Events | triathlon | Silver Lake, NY |
| 584 | 02 May 26 | 2026 Siouxperman Triathlon | triathlon | Sioux Center, IA |
| 585 | 18 Apr 26 | 2026 Sip & Stride 5k/10k | 10K/5K | Louisa, VA |