| 811 | 07 Sep 25 | 2025 Back Bay Triathlon | triathlon | Snow Hill, MD |
| 812 | 07 Sep 25 | 2025 DeGray Lake Trifest | triathlon | Arkadelphia, AR |
| 813 | 07 Sep 25 | 2025 Portage Lake Triathlon & Duathlon | triathlon | Akron, OH |
| 814 | 07 Sep 25 | Tri-Our-Village Youth Triathlon | youth triathlon | Greenwood Village, CO |
| 815 | 07 Sep 25 | 2025 Steve Tarpinian/Mighty Hamptons Triathlon | triathlon | Sag Harbor, NY |
| 816 | 07 Sep 25 | 2025 Finger Lakes Triathlon - Sunday | triathlon | Canandaigua, NY |
| 817 | 07 Sep 25 | 2025 Westport Triathlon | triathlon | Westport, CT |
| 818 | 07 Sep 25 | 2025 Captain Kids Triathlon . . | triathlon | Galveston, TX |
| 819 | 07 Sep 25 | 2025 Reston Olympic Triathlon | triathlon | Reston, VA |
| 820 | 07 Sep 25 | 2025 Square Lake Sprint Triathlon | triathlon | Stillwater, MN |
| 821 | 07 Sep 25 | 2025 Survival of the Shawangunks (SOS) Triathlon | triathlon | New Paltz, NY |
| 822 | 07 Sep 25 | 2025 Wildlife Loop Triathlon | triathlon | Custer, SD |
| 823 | 07 Sep 25 | DeGray Lake Triathlon | Olympic/Sprint/Sprint Duathlon/supersprint triathlon | Caddo Valley, AR |
| 824 | 07 Sep 25 | Ironman 70.3 Santa Cruz | half triathlon | Santa Cruz, CA |
| 825 | 07 Sep 25 | myTeam Triumph Westport Triathlon | Sprint Triathlon/Sprint Triathlon Relay/youth triathlon | Westport, CT |