| 12391 | 15 Feb 26 | GVSU "Last Chance" Tri | triathlon | Allendale, MI |
| 12392 | 07 Mar 26 | 2026 Gaylord All outdoors Tri 45 Winter Triathlon | triathlon | Gaylord, MI |
| 12393 | 27 Jun 26 | 2026 Tri Goddess Triathlon | triathlon | Grass Lake, MI |
| 12394 | 11 Jul 26 | 2026 Ann Arbor Triathlon, Duathlon, Aquabike | triathlon | Gregory, MI |
| 12395 | 12 Jul 26 | 2026 Grand Haven Triathlon | triathlon | Grand Haven, MI |
| 12396 | 24 Jul 26 | 2026 TriMillennium Kids Triathlon - FRIDAY | triathlon | Grand Rapids, MI |
| 12397 | 22 Aug 26 | 2026 Barron Lake Triathlon | triathlon | Niles, MI |
| 12398 | 20 Sep 26 | 2026 Ironman 70.3 Michigan | triathlon | Frankfort, MI |
| 12399 | 31 Oct 26 | 2026 Mountain Man Biathlon | triathlon | Morristown, NJ |
| 12400 | 17 May 26 | 2026 New England Season Opener Triathlon & Duathlon | triathlon | Hopkinton, MA |
| 12401 | 07 Jun 26 | 2026 Harvest Triathlon | triathlon | Wareham, MA |
| 12402 | 18 Jul 26 | 2026 Nantucket Triathlon | triathlon | Nantucket, MA |
| 12403 | 02 Aug 26 | 2026 Gloucester Sprint Triathlon | triathlon | Gloucester, MA |
| 12404 | 23 Aug 26 | 2026 Boston Triathlon | triathlon | Boston, MA |
| 12405 | 12 Sep 26 | 2026 Hyannis 2 Triathlon | triathlon | Craigville, MA |