| 15931 | 14 May 26 | 2026 Prairie Series - Day 7 (MN/ND) | 5K/10K | Breckenridge, MN |
| 15932 | 15 May 26 | 2026 Prairie Series - Day 8 (MN/ND) | 5K/10K | Breckenridge, MN |
| 15933 | 16 May 26 | 2026 Two Twisted Posts Winery 5k/10k | 10K/5K | Purcellville, VA |
| 15934 | 16 May 26 | 2026 XTERRA Oak Mountain - North American Championship | triathlon | Pelham, AL |
| 15935 | 16 May 26 | 2026 Stillwater Run and Ride | triathlon | Columbus, MT |
| 15936 | 16 May 26 | 2026 Ironman Jacksonville 140.6 | triathlon | Jacksonville, FL |
| 15937 | 16 May 26 | La Jolla Half Marathon & 5K | ['Half Marathon'/ '5K'] | San Diego, CA |
| 15938 | 16 May 26 | The SPRING SPRUNG 5k-10k and Half Marathon | 5K/10K/13.1 | St Louis, MO |
| 15939 | 16 May 26 | Muddy Dash | DFW | 5K | Fort Worth, TX |
| 15940 | 17 May 26 | 2026 Cal Tri Richmond | triathlon | Spotsylvania Courthouse, VA |
| 15941 | 17 May 26 | 2026 Women's Gold Nugget Triathlon | triathlon | Anchorage, AK |
| 15942 | 17 May 26 | 2026 Ironman 70.3 Chattanooga | triathlon | Chattanooga, TN |
| 15943 | 18 May 26 | 2026 EPIC5 Challenge . . | triathlon | Kauai, HI |
| 15944 | 20 May 26 | Nitemoves 2026 | 5K | Santa Barbara, CA |
| 15945 | 23 May 26 | 2026 National Wine Day @ Three Fox 5k/1M | 1M/5K | Delaplane, VA |