| 8251 | 14 Feb 26 | Spirits Run 5K | 5K | Oak Forest, IL |
| 8252 | 18 Apr 26 | Spitfire Ultra Trail Challenge | 5K/12K/25K/50K | Menan, ID |
| 8253 | 23 Aug 26 | Splash Dash 5k/ A Wet or Dry Run 5k plus Duckie Dash/Wild Rivers in Irvine | triathlon | Irvine, CA |
| 8254 | 09 May 26 | Splash N Sprint Triathlon | Sprint/supersprint triathlon | Bountiful, UT |
| 8255 | 13 Jun 26 | Splash of Color 5K | 5K | Evansville, IN |
| 8256 | 17 Jan 26 | Splashway Waterpark and Campground Resolution Run | 5K | Sheridan, TX |
| 8257 | 30 May 26 | Splish Splash 5K Dash | 1K/5K | Eastland, TX |
| 8258 | 19 Apr 26 | Spokane River Run | 5K/10K/25K/50K | Spokane, WA |
| 8259 | 23 May 26 | Spread Your Wings Adventure Race | 12H/3.5H adventure race/6H | Rocksprings, TX |
| 8260 | 14 Jun 26 | Spreckles Lake 5K and Lightning Mile | 1M/5K | San Francisco, CA |
| 8261 | 14 Jun 26 | Spreckles Lake 5K/SF Lightning Mile | 5K | San Francisco, CA |
| 8262 | 19 Apr 26 | Spring Backyard Burn Trail Running Series - Lake Fairfax | 5M | Reston, VA |
| 8263 | 15 Mar 26 | Spring Backyard Burn Trail Running Series - Laurel Hill | 5M | Lorton, VA |
| 8264 | 12 Apr 26 | Spring Backyard Burn Trail Running Series - Pohick Bay | 5M | Lorton, VA |
| 8265 | 01 Mar 26 | Spring Backyard Burn Trail Running Series - Wakefield Park | 5.5M/9.9M | Annandale, VA |