| 5251 | 11 Jul 26 | Rigby Lake Rumble Triathlon | Olympic/Sprint Triathlon/Sprint Triathlon Relay/youth triathlon | Rigby, ID |
| 5252 | 10 Jul 26 | Rigby Lake Rumble Kids Triathlon | youth triathlon | Rigby, ID |
| 5253 | 19 Sep 26 | Riebe Run/Walk for Heart Disease | 5K | Plymouth, MN |
| 5254 | 23 Aug 26 | Ridgway Log Hill Hustle 5K/10K | 5K/10K | Ridgway, CO |
| 5255 | 18 Oct 26 | Ridgewalk & Run | 5K/10K/25K | Wellsville, NY |
| 5256 | 10 Oct 26 | Ridgeview Farm Brew Run 5k | ['5K'] | New Tripoli, PA |
| 5257 | 18 Oct 26 | Ridgefield Road Fest | 5K/7M/13.1M | Ridgefield, CT |
| 5258 | 22 Aug 26 | Ridge to Blazing Ridge | 10M | Pelham, AL |
| 5259 | 19 Sep 26 | Ridge Runner 5K & 1 Mile Fun Run | 1M/5K | Maynardville, TN |
| 5260 | 01 Aug 26 | Ridge Reaper Trail Runs | 25K/50K | Cross River, NY |
| 5261 | 15 Aug 26 | Ridge Reaper 5K/10K | 5K/10K | Clifton, VA |
| 5262 | 06 Sep 26 | Ride with Hal 5 Mile Run | 5M | Westbrook, CT |
| 5263 | 21 Jun 26 | Ricky Byrdsong Memorial Race Against Hate | 5K/10K | Evanston, IL |
| 5264 | 13 Jun 26 | Rickney B. Hunter Miles for Minds 3K Running for Healing and Hope | 1M/3K | Bessemer, AL |
| 5265 | 11 Oct 26 | Rick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge | 5M | Mount Airy, MD |