| 15901 | 13 Jun 26 | Cereal City Classic | 5K/10K | Battle Creek, MI |
| 15902 | 12 Sep 26 | Cere-bration Walk, Roll, Run Mount Vernon | 1M/5K | Mount Vernon, OH |
| 15903 | 27 Sep 26 | Cere-bration Walk, Roll, Run Cincinnati | 1M/5K | Blue Ash, OH |
| 15904 | 04 Oct 26 | Cere-bration Walk, Roll, Run Akron | 1M/5K | Norton, OH |
| 15905 | 11 Oct 26 | Cere-bration Walk, Roll, Run | 1M/5K | Westerville, OH |
| 15906 | 17 Oct 26 | Century Farm Haunted Wine Run 5k | ['5K'] | Jackson, TN |
| 15907 | 27 Jun 26 | Centurion 33 Hour ultra Trail Race | 33H trail run | Stratford, CT |
| 15908 | 06 Jun 26 | Central Square Redhawk 5K | 5K | Central Square, NY |
| 15909 | 04 Oct 26 | Central Park Duathlon/Relay | Sprint Duathlon/Sprint Triathlon Relay | New York, NY |
| 15910 | 19 Sep 26 | Central Michigan HIV/AIDS 5K | 5K | Mount Pleasant, MI |
| 15911 | 23 Jun 26 | Central Kentucky All-Comers Series Track Meets | track meet | Wilmore, KY |
| 15912 | 07 Aug 26 | Central Illinois Summer Trail Series #3 | 5M | Washington, IL |
| 15913 | 10 Jul 26 | Central Illinois Summer Trail Series #2 | 5M | Metamora, IL |
| 15914 | 12 Jun 26 | Central Illinois Summer Trail Series #1 | 4M | Peoria, IL |
| 15915 | 19 Dec 26 | Central Florida Spartan Trifecta Weekend | 1K/5K/12K | Sebring, FL |