| 526 | 11 Jul 26 | 2026 Rock the Heat 5k/10k | 10K/5K | Rockville, MD |
| 527 | 04 Oct 26 | 2026 Rockfest Half Marathon and 5K | 5K | Hampton, NH |
| 528 | 13 Jun 26 | 2026 Rocky Ridge 5k & 10k | 10K/5K | Charlottesville, VA |
| 529 | 30 May 26 | 2026 Rose Festival Street Mile | 1 Mile | Portland, OR |
| 530 | 30 May 26 | 2026 Route 66 Triathlon Festival - Saturday Events | triathlon | Edmond, OK |
| 531 | 29 May 26 | 2026 RT 66 Multisport Festival Youth Aquathlon - Friday | triathlon | Edmond, OK |
| 532 | 19 Dec 26 | 2026 Rudolph's Race 5k/Half | 13.1/5K | Washington, DC |
| 533 | 18 Apr 26 | 2026 Rumpus in Bumpass Triathlon | triathlon | Bumpass, VA |
| 534 | 04 Apr 26 | 2026 Run and Done 3.1 (5K) | 5K | The Woodlands, TX |
| 535 | 17 May 26 | 2026 Run for Big Things 5k | 5K | Arlington, VA |
| 536 | 02 May 26 | 2026 Run for Recovery 5K | 5K | Leesburg, VA |
| 537 | 18 Apr 26 | 2026 Run for the Trees: Happy Little 5k | 5K | Annapolis, MD |
| 538 | 03 May 26 | 2026 Run for the Wounded 5k/10k/Half | 10K/13.1/5K | Triangle, VA |
| 539 | 11 Apr 26 | 2026 Running for Rivermont 5k/10k/1M | 10K/5K | Fairfax Station, VA |
| 540 | 31 Dec 26 | 2026 Running Out of Time 5k/12k | 12K/5K | Fairfax Station, VA |