| 18241 | 29 Nov 26 | 2026 Cranberry Crawl Turkey Trot 5k/5-Miler/10M | 10M/5K/5M | Washington, DC |
| 18242 | 11 Jul 26 | 2026 Cool Sommer Mornings Triathlon Series #2 | triathlon | Clermont, FL |
| 18243 | 02 Aug 26 | 2026 Coca Strong 5k/10k Hope in Every Step | 10K/5K | Valley Cottage, NY |
| 18244 | 07 Sep 26 | 2026 Cincinnati Aruna Run | 10K/1M/5K/Virtual | Cincinnati, OH |
| 18245 | 25 Jul 26 | 2026 Christmas in July 5k & Half | 13.1/5K | Washington, DC |
| 18246 | 24 Dec 26 | 2026 Christmas Eve 5k/10k | 10K/5K | Washington, DC |
| 18247 | 27 Sep 26 | 2026 Christalis Superhero 5K Run/Walk | 5K | Takoma Park, MD |
| 18248 | 26 Jul 26 | 2026 Chisago Lakes Triathlon - Sunday | triathlon | Chisago, MN |
| 18249 | 07 Nov 26 | 2026 Chessie Trail Marathon, Half Marathon, 10K, 5K, & 26.2 Relay | 10K/13.1/26.2/5K/Relay | Lexington, VA |
| 18250 | 19 Sep 26 | 2026 Chelanathon | triathlon | Manson, WA |
| 18251 | 04 Oct 26 | 2026 CFH Affordable Housing 5k | 5K | Lorton, VA |
| 18252 | 03 Oct 26 | 2026 Center of the Nation Series - Day 6 (MT) | 5K/10K | Baker, MT |
| 18253 | 02 Oct 26 | 2026 Center of the Nation Series - Day 5 (ND) | 5K/10K | Bowman, ND |
| 18254 | 01 Oct 26 | 2026 Center of the Nation Series - Day 4 (SD) | 5K/10K | Belle Fourche, SD |
| 18255 | 30 Sep 26 | 2026 Center of the Nation Series - Day 3 (NE) | 5K/10K | Chadron, NE |