| 526 | 15 Apr 26 | 2026 Riverboat Series - Day 3 (MS) | 5K/10K | Hollandale, MS |
| 527 | 16 Apr 26 | 2026 Riverboat Series - Day 4 (TN) | 5K/10K | Millington, TN |
| 528 | 17 Apr 26 | 2026 Riverboat Series - Day 5 (KY) | 5K/10K | Columbus, KY |
| 529 | 18 Apr 26 | 2026 Riverboat Series - Day 6 (MO) | 5K/10K | Cape Girardeau, MO |
| 530 | 19 Apr 26 | 2026 Riverboat Series - Day 7 (IL) | 5K/10K | Vienna, IL |
| 531 | 21 Mar 26 | 2026 Rock Creek 5k/10k | 10K/5K | Washington, DC |
| 532 | 30 May 26 | 2026 Rock Hall Olympic Triathlon - SATURDAY | triathlon | Rock Hall, MD |
| 533 | 14 Mar 26 | 2026 Rocky Hill Triathlon, 5K & 10K | triathlon | Exeter, CA |
| 534 | 22 Feb 26 | 2026 Rosaryville Ramble 5k/10k/Half | 10K/13.1/5K | Upper Marlboro, MD |
| 535 | 18 Apr 26 | 2026 Rumpus in Bumpass Triathlon | triathlon | Bumpass, VA |
| 536 | 03 Jan 26 | 2026 Run at the Boathouse 5k/10k | 10K/5K | Alexandria, VA |
| 537 | 03 May 26 | 2026 Run for the Wounded 5k/10k/Half | 10K/13.1/5K | Triangle, VA |
| 538 | 04 Jan 26 | 2026 Run Richmond 5k/10k | 10K/5K | Richmond, VA |
| 539 | 07 Jun 26 | 2026 Sager Creek Triathlon | triathlon | Siloam Springs, AR |
| 540 | 28 Jun 26 | 2026 San Diego International Triathlon | triathlon | San Diego, CA |