| 18121 | 04 Oct 26 | 2026 CFH Affordable Housing 5k | 5K | Lorton, VA |
| 18122 | 03 Oct 26 | 2026 Center of the Nation Series - Day 6 (MT) | 5K/10K | Baker, MT |
| 18123 | 02 Oct 26 | 2026 Center of the Nation Series - Day 5 (ND) | 5K/10K | Bowman, ND |
| 18124 | 01 Oct 26 | 2026 Center of the Nation Series - Day 4 (SD) | 5K/10K | Belle Fourche, SD |
| 18125 | 30 Sep 26 | 2026 Center of the Nation Series - Day 3 (NE) | 5K/10K | Chadron, NE |
| 18126 | 29 Sep 26 | 2026 Center of the Nation Series - Day 2 (CO) | 5K/10K | Sterling, CO |
| 18127 | 28 Sep 26 | 2026 Center of the Nation Series - Day 1 (WY) | 5K/10K | Cheyenne, WY |
| 18128 | 26 Sep 26 | 2026 Cedar Mountain Rally 5k/10k/1M | 10K/1M/5K | Culpeper, VA |
| 18129 | 14 Nov 26 | 2026 Catalina Island Half Marathon and 10K | 10K | Avalon, CA |
| 18130 | 03 Oct 26 | 2026 Castle Creek Triathlon | triathlon | Morristown, AZ |
| 18131 | 06 Sep 26 | 2026 Carderock Charge 5k/10k/Half | 10K/13.1/5K | Potomac, MD |
| 18132 | 19 Dec 26 | 2026 Candy Cane 5k/10k | 10K/5K | Alexandria, VA |
| 18133 | 19 Jul 26 | 2026 Cal Tri Williamsburg | triathlon | Williamsburg, VA |
| 18134 | 28 Jun 26 | 2026 Cal Tri La Crema | triathlon | Guerneville, CA |
| 18135 | 18 Oct 26 | 2026 Cal Tri LA | triathlon | Playa del Rey, CA |