| 15421 | 02 May 26 | 2026 Maine Coast Marathon, Half Marathon and 5K | 5K | Wells, ME |
| 15422 | 02 May 26 | 23rd annual Potomac River Run Marathon & Half | Half Marathon/Marathon | Washington, DC |
| 15423 | 02 May 26 | Finish The Ride and Finish The Run Griffith Park 2026 | 1K/5K/10K | Los Angeles, CA |
| 15424 | 02 May 26 | Bubble Run | San Diego | 5K | Midway, UT |
| 15425 | 02 May 26 | Muddy Dash Jacksonville | 5K | Jacksonville, FL |
| 15426 | 03 May 26 | Houston Holiday Series - Cinco Cinco, 5K, 10K, Family and Kids' K | 10K/5K | Houston, TX |
| 15427 | 03 May 26 | 2026 Spring Sprint Triathlon and SD Tri Series 5K | 5K | San Diego, CA |
| 15428 | 09 May 26 | SPA GIRL TRI San Antonio - 5/9/26 | 5K | San Antonio, TX |
| 15429 | 09 May 26 | 2026 Cinco de Miler | 1M | Chicago, IL |
| 15430 | 09 May 26 | Hummelstown Hunger Run 2026 | 5K | Hummelstown, PA |
| 15431 | 09 May 26 | 2026 Hippie Chick | 5K | St. Paul, OR |
| 15432 | 16 May 26 | La Jolla Half Marathon & 5K | ['Half Marathon'/ '5K'] | San Diego, CA |
| 15433 | 16 May 26 | The SPRING SPRUNG 5k-10k and Half Marathon | 5K/10K/13.1 | St Louis, MO |
| 15434 | 16 May 26 | Muddy Dash | DFW | 5K | Fort Worth, TX |
| 15435 | 18 May 26 | 2026 EPIC5 Challenge . . | triathlon | Kauai, HI |