| 871 | 13 Sep 25 | 2025 Splash Land Triathlon | triathlon | Alamosa, CO |
| 872 | 13 Sep 25 | 2025 XTERRA Branson Mountain Man Off-Road Triathlon | triathlon | Branson, MO |
| 873 | 13 Sep 25 | 2025 Fontana Triathlon | triathlon | Fontana, WI |
| 874 | 13 Sep 25 | Tri Community Tri | Sprint/Sprint Triathlon Relay/supersprint triathlon | Pima, AZ |
| 875 | 13 Sep 25 | Gravel X Triathlon | Olympic/sprint offroad triathlon | Granite Bay, CA |
| 876 | 13 Sep 25 | Splashland Triathlon | Sprint Triathlon/Sprint Triathlon Relay | Alamosa, CO |
| 877 | 13 Sep 25 | TRI PTC Sprint Triathlon | Sprint Triathlon | Peachtree, GA |
| 878 | 13 Sep 25 | Tri The Parks - John Tanner Fall Sprint | Sprint Duathlon/Sprint Triathlon | Carrollton, GA |
| 879 | 13 Sep 25 | Tradewind Triathlon | youth triathlon | Kaneohe, HI |
| 880 | 13 Sep 25 | Bear Lake Brawl Triathlon | Half/Olympic/Sprint Triathlon/ironman | Saint Charles, ID |
| 881 | 13 Sep 25 | 2025 Toughman Triathlon - Olympic Events . . | triathlon | Stoney Point, NY |
| 882 | 13 Sep 25 | Chesaning Chamber of Commerce Dry-Tri | 5K | Chesaning, MI |
| 883 | 13 Sep 25 | Branson Mountain Man Off-Road Triathlon | Olympic/sprint offroad triathlon | Branson, MO |
| 884 | 13 Sep 25 | Disco PBR | Sprint Triathlon | Anaconda, MT |
| 885 | 13 Sep 25 | Xterra Lake Tahoe Off-Road Triathlon | Olympic/sprint offroad duathlon/sprint offroad triathlon | Incline Village, NV |