| 12721 | 02 May 26 | 2026 Citrus Kids Triathlon - Bicentennial Park | triathlon | Crystal River, FL |
| 12722 | 09 May 26 | 2026 Cinco de Miler | 1M | Chicago, IL |
| 12723 | 26 Jul 26 | 2026 Chisago Lakes Triathlon - Sunday | triathlon | Chisago, MN |
| 12724 | 15 Feb 26 | 2026 Chilly Willy Duathlon | triathlon | St Petersburg, FL |
| 12725 | 21 Feb 26 | 2026 Chilly Cheeks Winter Duathlon & 4 Mile Run | triathlon | Englewood, CO |
| 12726 | 21 Mar 26 | 2026 Chickahominy Chase 5k/10k | 10K/5K | Williamsburg, VA |
| 12727 | 31 Jan 26 | 2026 Cherrylake Farm Races | triathlon | Groveland, FL |
| 12728 | 19 Sep 26 | 2026 Chelanathon | triathlon | Manson, WA |
| 12729 | 07 May 26 | 2026 Cerberus 3-Day Expedition Stage Race | triathlon | New Castle, VA |
| 12730 | 03 Oct 26 | 2026 Center of the Nation Series - Day 6 (MT) | 5K/10K | Baker, MT |
| 12731 | 02 Oct 26 | 2026 Center of the Nation Series - Day 5 (ND) | 5K/10K | Bowman, ND |
| 12732 | 01 Oct 26 | 2026 Center of the Nation Series - Day 4 (SD) | 5K/10K | Belle Fourche, SD |
| 12733 | 30 Sep 26 | 2026 Center of the Nation Series - Day 3 (NE) | 5K/10K | Chadron, NE |
| 12734 | 29 Sep 26 | 2026 Center of the Nation Series - Day 2 (CO) | 5K/10K | Sterling, CO |
| 12735 | 28 Sep 26 | 2026 Center of the Nation Series - Day 1 (WY) | 5K/10K | Cheyenne, WY |