| 571 | 11 Oct 26 | 2026 Block Island Half Marathon | Half Marathon | Block Island, RI |
| 572 | 12 Sep 26 | Square Lake 70.3 | aquathon/halfiron triathlon/halfiron triathlon relay | Stillwater, MN |
| 573 | 28 Oct 26 | Ten Trails Active Club Trot n Treats Relay Scramble | adventure race/novelty run | Black Diamond, WA |
| 574 | 11 Sep 26 | Master of the Mountains Adventure Relay | adventure race | Raton, NM |
| 575 | 26 Sep 26 | Greenway Challenge | adventure race | Worcester, MA |
| 576 | 19 Sep 26 | Blue Hills Adventure Race | adventure race | Greenfield, MA |
| 577 | 21 Nov 26 | Orienteering Race #4 Finale | adventure race | Panama, NE |
| 578 | 26 Sep 26 | Stone Challenge Adventure Series | adventure race | Port Jervis, NY |
| 579 | 26 Sep 26 | DASH Adventure Race | adventure race | Kamas, UT |
| 580 | 05 Sep 26 | Triboro Adventure Tour | adventure race | Astoria, NY |
| 581 | 08 Nov 26 | James River Rush | adventure race | Richmond, VA |
| 582 | 15 Nov 26 | ORRRC Turkey Hunt Map and Compass Challenge | adventure race | Springfield, OH |
| 583 | 26 Nov 26 | Run for the Diamonds | 9M | Berwick, PA |
| 584 | 19 Sep 26 | Tahquamenon Falls to Falls Trail Run | 9M | Paradise, MI |
| 585 | 20 Mar 27 | Chupacabra 50 | 9K/20K/53K | Quanah, TX |