| 4831 | 31 May 26 | Run for the Zoo | 10K/5K | Chicago, IL |
| 4832 | 31 May 26 | Youngstown Half Marathon | 2M/13.1M | Youngstown, OH |
| 4833 | 31 May 26 | Buckeye Triathlon & Multisport Festival | Olympic/Sprint/supersprint duathlon/supersprint triathlon | Waynesville, OH |
| 4834 | 31 May 26 | Obstacle Wonderland's Rise of the Obstacles OCR | 1K/2K | Wallkill, NY |
| 4835 | 31 May 26 | South Fork Sampler: A Multisport Adventure Race | 3H adventure race/5H | Cramerton, NC |
| 4836 | 31 May 26 | Elgin Valley Fox Trot | 5K | Elgin, IL |
| 4837 | 31 May 26 | George W. Buck Boys & Girls Club of Joliet 5K Run/Walk | 5K | Joliet, IL |
| 4838 | 31 May 26 | Highland Park Half Marathon | 5K/13.1M | Highland Park, IL |
| 4839 | 31 May 26 | Bedford PTG Color Blast Fun Run | 2M | Bedford, NH |
| 4840 | 31 May 26 | Run for the Zoo | 5K/10K | Chicago, IL |
| 4841 | 31 May 26 | Women's Whisper Triathlon | supersprint triathlon/supersprint triathlon relay | East Meadow, NY |
| 4842 | 31 May 26 | The Crusher Run - Texas Quarry 5K | 5K | Lutherville-Timonium, MD |
| 4843 | 31 May 26 | Run for the Zoo | 5K | Chicago, IL |
| 4844 | 31 May 26 | Paper Chase | 5K | Lansing, MI |
| 4845 | 31 May 26 | Billings Skyline Races | 13.1M/30K | Billings, MT |