| 1441 | 13 Sep 25 | TRI PTC Sprint Triathlon | Sprint Triathlon | Peachtree, GA |
| 1442 | 09 Nov 25 | Tri McConnell - A 60 Mnute Indoor Triathlon | indoor triathlon | Columbus, OH |
| 1443 | 21 Sep 25 | Tri KB | Olympic/Sprint Duathlon/Sprint Triathlon | Key Biscayne, FL |
| 1444 | 13 Sep 25 | Tri Community Tri | Sprint/Sprint Triathlon Relay/supersprint triathlon | Pima, AZ |
| 1445 | 14 Mar 26 | Tri 4 the Cure AZ • 2026 | 5K | Anthem, AZ |
| 1446 | 20 Sep 25 | Trevor Berndt Memorial Run for Autism | 1M/5K | Newcomerstown, OH |
| 1447 | 25 Oct 25 | Trestle Bridge Run & Kids Race | 10K | Conestoga, PA |
| 1448 | 07 Feb 26 | Trek Up The Tower | stair climb | Omaha, NE |
| 1449 | 13 Sep 25 | Trek The Creek Scott Bohman Memorial 5K | 5K | Francis Creek, WI |
| 1450 | 25 Oct 25 | Trek or Treat 5K | 5K | Douglasville, GA |
| 1451 | 11 Oct 25 | Tree of Life 5K - Race with a Cause | 5K | Purcellville, VA |
| 1452 | 28 Sep 25 | Treasure Island Sprint Triathlon/Duathlon | Sprint Duathlon/Sprint Triathlon/Sprint Triathlon Relay | Point Pleasant, NJ |
| 1453 | 07 Dec 25 | Treasure Coast Tri | Olympic/Sprint Duathlon/Sprint Triathlon/aquathon/relay | Fort Pierce, FL |
| 1454 | 26 Oct 25 | Treasure Coast Halloween Half | 13.1M | Stuart, FL |
| 1455 | 08 Nov 25 | Treasure Coast Adventure Race and 5K | 5K | Hobe Sound, FL |