| 13366 | 04 Apr 26 | 2026 Run and Done 3.1 (5K) | 5K | The Woodlands, TX |
| 13367 | 18 Apr 26 | 2026 Rumpus in Bumpass Triathlon | triathlon | Bumpass, VA |
| 13368 | 29 May 26 | 2026 RT 66 Multisport Festival Youth Aquathlon - Friday | triathlon | Edmond, OK |
| 13369 | 30 May 26 | 2026 Route 66 Triathlon Festival - Saturday Events | triathlon | Edmond, OK |
| 13370 | 30 May 26 | 2026 Rose Festival Street Mile | 1 Mile | Portland, OR |
| 13371 | 22 Feb 26 | 2026 Rosaryville Ramble 5k/10k/Half | 10K/13.1/5K | Upper Marlboro, MD |
| 13372 | 13 Jun 26 | 2026 Rocky Ridge 5k & 10k | 10K/5K | Charlottesville, VA |
| 13373 | 14 Mar 26 | 2026 Rocky Hill Triathlon, 5K & 10K | triathlon | Exeter, CA |
| 13374 | 04 Oct 26 | 2026 Rockfest Half Marathon and 5K | 5K | Hampton, NH |
| 13375 | 14 Mar 26 | 2026 Rocket Blast-Off | 5K | Neenah, WI |
| 13376 | 11 Jul 26 | 2026 Rock the Heat 5k/10k | 10K/5K | Rockville, MD |
| 13377 | 30 May 26 | 2026 Rock Hall Olympic Triathlon - SATURDAY | triathlon | Rock Hall, MD |
| 13378 | 21 Mar 26 | 2026 Rock Creek 5k/10k | 10K/5K | Washington, DC |
| 13379 | 12 Sep 26 | 2026 Riversport Challenge TORC Triathlon | triathlon | Oklahoma, OK |
| 13380 | 19 Apr 26 | 2026 Riverboat Series - Day 7 (IL) | 5K/10K | Vienna, IL |