| 706 | 20 Jul 25 | 2025 Reston Youth Triathlon | triathlon | Reston, VA |
| 707 | 27 Sep 25 | 2025 Rev3 Mighty Matapeake Beach Triathlon | triathlon | Stevensville, MD |
| 708 | 17 Aug 25 | 2025 Rex Wellness Triathlon - NW Cary | triathlon | Cary, NC |
| 709 | 20 Sep 25 | 2025 Rexburg Rush Triathlon | triathlon | Rexburg, ID |
| 710 | 21 Sep 25 | 2025 Ride Row Run | triathlon | Maupin, OR |
| 711 | 16 Aug 25 | 2025 RipRoar Kids Triathlon - Johnston - Championships | triathlon | Johnston, IA |
| 712 | 19 Jul 25 | 2025 RipRoar Youth Triathlon - Waukee | triathlon | Waukee, IA |
| 713 | 10 Aug 25 | 2025 Riverbluff Triathlon | triathlon | Ashland, TN |
| 714 | 16 Aug 25 | 2025 Riverman/Riverwoman Triathlon | triathlon | Pierre, SD |
| 715 | 06 Sep 25 | 2025 Riversport Challenge TORC Triathlon | triathlon | Oklahoma, OK |
| 716 | 28 Sep 25 | 2025 Robious Landing Triathlon | triathlon | Midlothian, VA |
| 717 | 23 Aug 25 | 2025 Rochester Triathlon | triathlon | Rochester, NY |
| 718 | 06 Dec 25 | 2025 Rock Creek Reindeer Rumble 5k/10k | 10K/5K | Washington, DC |
| 719 | 05 Oct 25 | 2025 Rock N RollMan Triathlon | triathlon | Macon, GA |
| 720 | 09 Aug 25 | 2025 Rock the Quarry Triathlon & Mile Swim | triathlon | Goshen, IN |