| 16891 | 20 Jun 26 | Callaway Sprint Triathlon | Sprint Duathlon/Sprint Triathlon | Pine Mountain, GA |
| 16892 | 22 Aug 26 | Callaway Gardens Olympic Triathlon Duathlon | Olympic Duathlon/Olympic Triathlon | Pine Mountain, GA |
| 16893 | 12 Sep 26 | Call to Duty Memorial 10K and Family Fun Run | 5K/10K | Gorham, NH |
| 16894 | 24 Oct 26 | Call of the Wilds Mountain Fest | 25K/50K | Waterville, PA |
| 16895 | 17 Oct 26 | Call Light the Way 5K | 5K | Bald Knob, AR |
| 16896 | 06 Dec 26 | California International Marathon | 2.6M/26.2M | Sacramento, CA |
| 16897 | 17 Oct 26 | California Gold Rush Trail Run | 5K/10K/15K/13.1M | Coloma, CA |
| 16898 | 16 May 26 | California Brewery Running Series | 5K | Lawndale, CA |
| 16899 | 30 May 26 | California Brewery Running Series | 5K | Moorpark, CA |
| 16900 | 25 Jul 26 | Caliente 5K | 5K | Killeen, TX |
| 16901 | 30 May 26 | Calero Trail Run | 5K/10K/15K/13.1M/25K/26.2M/50K | San Jose, CA |
| 16902 | 04 Jul 26 | Caledonia Kilt Klassic 5K | 5K | Caledonia, MI |
| 16903 | 17 May 26 | Caledon 5K & 10K | 5K/10K | King George, VA |
| 16904 | 09 May 26 | Calebs Cause 5K and Fun Run | 1M/5K | Snellville, GA |
| 16905 | 20 Jun 26 | Caldwell Classic | 1M/5K | Caldwell, ID |