| 631 | 07 Feb 26 | 2026 Trojan Trot 5K & 1M Fun Run | 5K | Irvine, CA |
| 632 | 01 Aug 26 | 2026 Try-A-Tri: Preston Nielson Memorial Triathlon Festival - SATURDAY ADULTS | triathlon | Blanding, UT |
| 633 | 08 Mar 26 | 2026 Tucson Shamrock Half Marathon / 10K / 5K | 5K/10K | Tucson, AZ |
| 634 | 25 Apr 26 | 2026 Tupelo Sprint Triathlon | triathlon | Tupelo, MS |
| 635 | 27 Jun 26 | 2026 Tupper Lake Tinman Triathlon | triathlon | Tupper Lake, NY |
| 636 | 08 Aug 26 | 2026 Twin Lakes Triathlon | triathlon | Manson, IA |
| 637 | 21 Mar 26 | 2026 Twisted Oak 4k/8k | 4k/8k | Boyce, VA |
| 638 | 16 May 26 | 2026 Two Twisted Posts Winery 5k/10k | 10K/5K | Purcellville, VA |
| 639 | 01 Feb 26 | 2026 UCI Zot Trot Reverse Triathlon | triathlon | Irvine, CA |
| 640 | 20 Mar 26 | 2026 Ultraman Arizona | triathlon | Phoenix, AZ |
| 641 | 13 Feb 26 | 2026 Ultraman Florida | triathlon | Clermont, FL |
| 642 | 21 Mar 26 | 2026 VALENCIA Trail Race | 10K | Santa Clarita, CA |
| 643 | 15 Feb 26 | 2026 Valentine's Day 5k/Half | 13.1/5K | Washington, DC |
| 644 | 28 Jun 26 | 2026 Vermont Sun Triathlon - Vermont State Championships | triathlon | Salisbury, VT |
| 645 | 08 Oct 26 | 2026 Virginia Anvil Ultra Triathlon Race Week | triathlon | Spotsylvania, VA |