| 15856 | 03 Oct 25 | 2025 Center of the Nation Series - Day 5 (ND) | 5K/10K | Bowman, ND |
| 15857 | 02 Oct 25 | 2025 Center of the Nation Series - Day 4 (SD) | 5K/10K | Belle Fourche, SD |
| 15858 | 01 Oct 25 | 2025 Center of the Nation Series - Day 3 (NE) | 5K/10K | Chadron, NE |
| 15859 | 30 Sep 25 | 2025 Center of the Nation Series - Day 2 (CO) | 5K/10K | Sterling, CO |
| 15860 | 29 Sep 25 | 2025 Center of the Nation Series - Day 1 (WY) | 5K/10K | Cheyenne, WY |
| 15861 | 27 Sep 25 | 2025 Cedar Mountain Rally 5k/10k | 10K/5K | Orange, VA |
| 15862 | 04 Oct 25 | 2025 Cedar Creek Park Fall Duathlon | triathlon | Seaford, NY |
| 15863 | 04 Oct 25 | 2025 Castle Creek Triathlon | triathlon | Morristown, AZ |
| 15864 | 21 Sep 25 | 2025 Carlyle Lake Triathlon | triathlon | Carlyle Township, IL |
| 15865 | 20 Sep 25 | 2025 Carderock Charge 5k/10k/Half | 10K/13.1/5K | Potomac, MD |
| 15866 | 28 Sep 25 | 2025 Captiva Island Triathlon | triathlon | Captiva Island, FL |
| 15867 | 07 Sep 25 | 2025 Captain Kids Triathlon . . | triathlon | Galveston, TX |
| 15868 | 20 Dec 25 | 2025 Candy Cane 5k/10k | 10K/5K | Alexandria, VA |
| 15869 | 19 Oct 25 | 2025 CalTri Bearathlon | triathlon | Berkeley, CA |
| 15870 | 07 Sep 25 | 2025 Call To Honor Triathlon | triathlon | Boxford, MA |