| 346 | 31 Oct 26 | 2026 Mountain Man Biathlon | triathlon | Morristown, NJ |
| 347 | 17 May 26 | 2026 New England Season Opener Triathlon & Duathlon | triathlon | Hopkinton, MA |
| 348 | 07 Jun 26 | 2026 Harvest Triathlon | triathlon | Wareham, MA |
| 349 | 18 Jul 26 | 2026 Nantucket Triathlon | triathlon | Nantucket, MA |
| 350 | 02 Aug 26 | 2026 Gloucester Sprint Triathlon | triathlon | Gloucester, MA |
| 351 | 23 Aug 26 | 2026 Boston Triathlon | triathlon | Boston, MA |
| 352 | 12 Sep 26 | 2026 Hyannis 2 Triathlon | triathlon | Craigville, MA |
| 353 | 13 Sep 26 | 2026 Dover Sherborn Boosters Triathlon | triathlon | Dover-Sherborn, MA |
| 354 | 21 Mar 26 | 2026 March in Okarche Duathlon | triathlon | Okarche, OK |
| 355 | 29 May 26 | 2026 RT 66 Multisport Festival Youth Aquathlon - Friday | triathlon | Edmond, OK |
| 356 | 30 May 26 | 2026 Route 66 Triathlon Festival - Saturday Events | triathlon | Edmond, OK |
| 357 | 18 Jul 26 | 2026 YMCA Tri in July - Bartlesville | triathlon | Bartlesville, OK |
| 358 | 18 Jul 26 | 2026 Territorial Triathlon Series - JULY | triathlon | Guthrie, OK |
| 359 | 12 Sep 26 | 2026 Riversport Challenge TORC Triathlon | triathlon | Oklahoma, OK |
| 360 | 25 Apr 26 | 2026 Pinnacle Peak Spring Duathlon - tentative info | triathlon | Enumclaw, WA |