| 11716 | 18 Jul 26 | 2026 DeWitt Crossroads Triathlon | triathlon | DeWitt, IA |
| 11717 | 14 Mar 26 | 2026 Derby City 10K | 10K | Louisville, KY |
| 11718 | 18 Jul 26 | 2026 Delta Lake Triathlon | triathlon | Rome, NY |
| 11719 | 10 May 26 | 2026 DC Mother's Day 5k/10k | 10K/5K | Washington, DC |
| 11720 | 02 May 26 | 2026 Dash to Benefit 5K & Fun Run | 5K | Clarksville, TN |
| 11721 | 16 May 26 | 2026 Dash Through the Dirt 5k/10k/Half | 10K/13.1/5K | Potomac, MD |
| 11722 | 22 Feb 26 | 2026 Dash Around the Point 5k/10k | 10K/5K | Washington, DC |
| 11723 | 28 Mar 26 | 2026 Dare to Tri - Fort Gordon | triathlon | Fort Eisenhower, GA |
| 11724 | 28 Mar 26 | 2026 Culpeper Airport 5k | 5K | Culpeper, VA |
| 11725 | 07 Feb 26 | 2026 CTC Super Bowl Duathlon | triathlon | Clermont, FL |
| 11726 | 14 Feb 26 | 2026 Crush Rush 5K | 5K | The Woodlands, TX |
| 11727 | 26 Jul 26 | 2026 Crescent City Triathlon | triathlon | Crescent, CA |
| 11728 | 15 Feb 26 | 2026 Coronado Valentine's Day 10K, 5K and 1 Mile Fun Run/Walk | 5K/10K | Coronado, CA |
| 11729 | 11 Jul 26 | 2026 Cool Sommer Mornings Triathlon Series #2 | triathlon | Clermont, FL |
| 11730 | 13 Jun 26 | 2026 Cool Sommer Mornings Tri Series #1 | triathlon | Clermont, FL |