| 17731 | 17 May 26 | 2026 New England Season Opener Triathlon & Duathlon | triathlon | Hopkinton, MA |
| 17732 | 17 May 26 | 2026 Onion Man Triathlon | triathlon | Walla Walla, WA |
| 17733 | 17 May 26 | 2026 Bear Triathlon | triathlon | Bear, DE |
| 17734 | 17 May 26 | Bay to Breakers | 12K/15K | San Francisco, CA |
| 17735 | 17 May 26 | Great Donut Run | 1M/5K | Irvine, CA |
| 17736 | 17 May 26 | The Grand Climb | 5K | Fresno, CA |
| 17737 | 17 May 26 | Bear Triathlon | Olympic/Sprint Triathlon | Bear, DE |
| 17738 | 17 May 26 | Bacon Run | 1M/5K/10K | Sarasota, FL |
| 17739 | 17 May 26 | Dunedin Rotary Triathlon | Sprint Duathlon/Sprint Triathlon/youth triathlon | Dunedin, FL |
| 17740 | 17 May 26 | Peach Kids Triathlon | youth triathlon | Alpharetta, GA |
| 17741 | 17 May 26 | Dash for the Dogs 5K Run/Walk | 5K | Barrington, IL |
| 17742 | 17 May 26 | Lake Lou Yaeger Triathlon | Olympic/Sprint Triathlon/Sprint Triathlon Relay | Litchfield, IL |
| 17743 | 17 May 26 | Muncie Sprint and Olympic Triathlon #1 | Olympic/Sprint Triathlon | Selma, IN |
| 17744 | 17 May 26 | Trail Beer Mile Challenge | 1M | Roanoke, IN |
| 17745 | 17 May 26 | Shawnee Mission Park Adventure Race | 2H adventure race/6H | Lenexa, KS |