| 2326 | 09 May 26 | Spring Burke Lake 5K, 10K, & Half | 5K/10K/13.1M | Fairfax Station, VA |
| 2327 | 21 Mar 26 | Spring Break Run | 5K/10K | Springfield, IL |
| 2328 | 25 Apr 26 | Spring Bloom Adventure Race | 15H/4H adventure race | Fredericksburg, VA |
| 2329 | 01 Mar 26 | Spring Backyard Burn Trail Running Series - Wakefield Park | 5.5M/9.9M | Annandale, VA |
| 2330 | 12 Apr 26 | Spring Backyard Burn Trail Running Series - Pohick Bay | 5M | Lorton, VA |
| 2331 | 15 Mar 26 | Spring Backyard Burn Trail Running Series - Laurel Hill | 5M | Lorton, VA |
| 2332 | 19 Apr 26 | Spring Backyard Burn Trail Running Series - Lake Fairfax | 5M | Reston, VA |
| 2333 | 16 May 26 | Spring Awakening 10K, 5K, 1-Mile Kids Dash | 5K/10K | Houghton, MI |
| 2334 | 14 Jun 26 | Spreckles Lake 5K/SF Lightning Mile | 5K | San Francisco, CA |
| 2335 | 14 Jun 26 | Spreckles Lake 5K and Lightning Mile | 1M/5K | San Francisco, CA |
| 2336 | 30 Mar 26 | Spreaders | 10K | Birmingham, AL |
| 2337 | 23 May 26 | Spread Your Wings Adventure Race | 12H/3.5H adventure race/6H | Rocksprings, TX |
| 2338 | 18 Jul 26 | SPR Mutt Strut | 5K | Fond du Lac, WI |
| 2339 | 01 Aug 26 | Sportsplex Tri For Kids | youth triathlon | Opelika, AL |
| 2340 | 04 Jul 26 | Sportspectrum Firecracker 5K | 5K | Shreveport, LA |