| 631 | 18 Apr 26 | Belews Lake Sprint Triathlon | Sprint Duathlon/Sprint Triathlon | Stokesdale, NC |
| 632 | 02 May 26 | Polar Bear Triathlon and Duathlon | Sprint Duathlon/Sprint Triathlon | Brunswick, ME |
| 633 | 12 Apr 26 | Cocoa Beach Triathlon | Sprint Duathlon/Sprint Triathlon | Cocoa Beach, FL |
| 634 | 29 Mar 26 | Tulsa Area Triathletes Chris Brown Tulsa DU | Sprint Duathlon/sprint duathlon relay/youth duathlon | Tulsa, OK |
| 635 | 03 May 26 | Adventure Triathlon at The Manor | Sprint Duathlon/sprint dry triathlon | Mays Landing, NJ |
| 636 | 14 Feb 26 | TALI Croft State Park Off-Road Duathlon | sprint duathlon relay/sprint offroad duathlon/youth duathlon | Spartanburg, SC |
| 637 | 21 Feb 26 | Chilly Cheeks Duathlon | Sprint Duathlon | Denver, CO |
| 638 | 06 Jun 26 | Heel & Crank Duathlon | Sprint Duathlon | Huntsville, AL |
| 639 | 27 May 26 | South Fork Duathlon | Sprint Duathlon | Whitehouse, OH |
| 640 | 15 Mar 26 | St. Marks Duathlon | Sprint Duathlon | Saint Marks, FL |
| 641 | 22 Mar 26 | March Classic Duathlon | Sprint Duathlon | New York, NY |
| 642 | 21 Mar 26 | March in Okarche Duathlon | Sprint Duathlon | Okarche, OK |
| 643 | 25 Jan 26 | Laguna Vista Du It By The Bay Duathlon | Sprint Duathlon | Laguna Vista, TX |
| 644 | 10 May 26 | Breakup Duathlon | Sprint Duathlon | Fairbanks, AK |
| 645 | 13 May 26 | Dooby Du Duathlon | Sprint Duathlon | Toledo, OH |