| 16921 | 27 Feb 27 | Tri-U-Mah Indoor Triathlon | indoor triathlon | Minneapolis, MN |
| 16922 | 29 Aug 26 | Tri-Warriors Youth Triathlon | youth triathlon | Pembroke, NC |
| 16923 | 06 Mar 27 | Tri45 - Gaylord All Outdoors Winter Triathlon | Sprint Triathlon | Frederic, MI |
| 16924 | 26 Sep 26 | Triad Run/Walk for Autism | 5K | Greensboro, NC |
| 16925 | 25 Oct 26 | Trial Run 5K | 5K | Wayne, PA |
| 16926 | 27 Jun 26 | Trials of Odysseus | 5K | Burnsville, MN |
| 16927 | 10 Oct 26 | Triangle Run/Walk for Autism | 1M/5K | Raleigh, NC |
| 16928 | 29 May 27 | Triangle Sprint & Mini-Sprint | Sprint/Sprint Triathlon Relay/supersprint triathlon | New Hill, NC |
| 16929 | 01 Aug 26 | TriathaMom | Sprint Duathlon/Sprint Triathlon/Sprint Triathlon Relay | Riverton, UT |
| 16930 | 05 Sep 26 | Triboro Adventure Tour | adventure race | Astoria, NY |
| 16931 | 27 Sep 26 | TriByLittleKnight Triathlon | youth triathlon | Waverly, IA |
| 16932 | 24 Jun 26 | Triceratops Tri | Sprint Duathlon/Sprint Triathlon | Brighton, MI |
| 16933 | 24 Oct 26 | Trick or Trail 5k & 1 Mile | 1M/5K | Hendersonville, NC |
| 16934 | 31 Oct 26 | Trick or Treat 5K | 5K | Seattle, WA |
| 16935 | 31 Oct 26 | Trick or Tri at Merrill Ranch | Sprint Duathlon/Sprint Triathlon/Sprint Triathlon Relay/youth triathlon | Florence, AZ |