| 166 | 28 Sep 26 | 2026 Center of the Nation Series - Day 1 (WY) | 5K/10K | Cheyenne, WY |
| 167 | 29 Sep 26 | 2026 Center of the Nation Series - Day 2 (CO) | 5K/10K | Sterling, CO |
| 168 | 30 Sep 26 | 2026 Center of the Nation Series - Day 3 (NE) | 5K/10K | Chadron, NE |
| 169 | 01 Oct 26 | 2026 Center of the Nation Series - Day 4 (SD) | 5K/10K | Belle Fourche, SD |
| 170 | 02 Oct 26 | 2026 Center of the Nation Series - Day 5 (ND) | 5K/10K | Bowman, ND |
| 171 | 03 Oct 26 | 2026 Center of the Nation Series - Day 6 (MT) | 5K/10K | Baker, MT |
| 172 | 07 May 26 | 2026 Cerberus 3-Day Expedition Stage Race | triathlon | New Castle, VA |
| 173 | 19 Sep 26 | 2026 Chelanathon | triathlon | Manson, WA |
| 174 | 21 Mar 26 | 2026 Chickahominy Chase 5k/10k | 10K/5K | Williamsburg, VA |
| 175 | 21 Feb 26 | 2026 Chilly Cheeks Winter Duathlon & 4 Mile Run | triathlon | Englewood, CO |
| 176 | 15 Feb 26 | 2026 Chilly Willy Duathlon | triathlon | St Petersburg, FL |
| 177 | 26 Jul 26 | 2026 Chisago Lakes Triathlon - Sunday | triathlon | Chisago, MN |
| 178 | 02 May 26 | 2026 Cinco de Mayo 5k | 5K | Haymarket, VA |
| 179 | 09 May 26 | 2026 Cinco de Miler | 1M | Chicago, IL |
| 180 | 02 May 26 | 2026 Citrus Kids Triathlon - Bicentennial Park | triathlon | Crystal River, FL |