| 15481 | 27 Jun 26 | Centurion 33 Hour ultra Trail Race | 33H trail run | Stratford, CT |
| 15482 | 02 Aug 26 | Central Upper Peninsula CISM Donut Dash | 1M/5K | Marquette, MI |
| 15483 | 04 Oct 26 | Central Park Duathlon/Relay | Sprint Duathlon/Sprint Triathlon Relay | New York, NY |
| 15484 | 19 Sep 26 | Central Michigan HIV/AIDS 5K | 5K | Mount Pleasant, MI |
| 15485 | 07 Aug 26 | Central Illinois Summer Trail Series #3 | 5M | Washington, IL |
| 15486 | 10 Jul 26 | Central Illinois Summer Trail Series #2 | 5M | Metamora, IL |
| 15487 | 19 Dec 26 | Central Florida Spartan Trifecta Weekend | 1K/5K/12K | Sebring, FL |
| 15488 | 14 Nov 26 | Central Florida Legends Marathon | 5K/13.1M/26.2M | DeBary, FL |
| 15489 | 06 Mar 27 | Central Cupcake Chase | 5K | Carrollton, GA |
| 15490 | 26 Sep 26 | Central Children's Home Cross Country Festival Run | 5K | Oxford, NC |
| 15491 | 31 Oct 26 | Centra Foundation Boo Bash Costume Dash 5K | 5K | Columbus, IN |
| 15492 | 04 Jul 26 | Centerville Freedom Run | 5K | Centerville, UT |
| 15493 | 19 Sep 26 | Centerstone's Life;Story 5K/10K Run/Walk for Suicide Prevention | 5K/10K | Sarasota, FL |
| 15494 | 26 Sep 26 | Centerstone's Life;Story 5K Fun Run/Walk - Godfrey Satellite Location | 5K | Godfrey, IL |
| 15495 | 12 Sep 26 | Centerstone Life;Story 5K/10K Run/Walk/Ruck | 5K/10K | Clarksville, TN |