| 8146 | 27 Mar 26 | Chisholm Trail Adventure Race | 12H adventure race/24H | Kopperl, TX |
| 8147 | 25 Apr 26 | Chippewa 50K | 10K/50K | New Auburn, WI |
| 8148 | 07 Feb 26 | Chipola 5K Challenge | 5K | Marianna, FL |
| 8149 | 17 Oct 26 | Chino Grinder | 108, 63, 45, 23 Miles | Chino Valley, AZ |
| 8150 | 21 Feb 26 | Chimpathon 5K & 10K | 5K/10K | Fort Pierce, FL |
| 8151 | 01 Jan 26 | chilly wily 2026 | 5K | Seekonk, MA |
| 8152 | 21 Feb 26 | Chilly Willy Half Marathon - Tucson | 5K/10K/13.1M | Tucson, AZ |
| 8153 | 01 Jan 26 | Chilly Willy Half Marathon | 5K/13.1M | Seekonk, MA |
| 8154 | 10 Jan 26 | Chilly Willy Half Marathon | 5K/10K/13.1M | Albuquerque, NM |
| 8155 | 18 Jan 26 | Chilly Willy Half Marathon | 5K/10K/13.1M | Chattanooga, TN |
| 8156 | 17 Jan 26 | Chilly Willy Half Marathon | 5K/10K/13.1M | Oklahoma, OK |
| 8157 | 24 Jan 26 | Chilly Willy Half Marathon | 5K/10K/13.1M | Colorado Springs, CO |
| 8158 | 15 Feb 26 | Chilly Willy Duathlon | Sprint Duathlon | Saint Petersburg, FL |
| 8159 | 24 Jan 26 | Chilly Willy 5K/10K/Half Marathon-Colorado Springs | triathlon | Colorado Springs, CO |
| 8160 | 03 Jan 26 | Chilly Willy 5K/10K/Half Marathon - St. George | 10K/13.1/5K | St George, UT |