| 15736 | 03 May 26 | Houston Holiday Series - Cinco Cinco, 5K, 10K, Family and Kids' K | 10K/5K | Houston, TX |
| 15737 | 09 May 26 | SPA GIRL TRI San Antonio - 5/9/26 | 5K | San Antonio, TX |
| 15738 | 09 May 26 | 2026 Cinco de Miler | 1M | Chicago, IL |
| 15739 | 09 May 26 | Hummelstown Hunger Run 2026 | 5K | Hummelstown, PA |
| 15740 | 16 May 26 | La Jolla Half Marathon & 5K | ['Half Marathon'/ '5K'] | San Diego, CA |
| 15741 | 16 May 26 | The SPRING SPRUNG 5k-10k and Half Marathon | 5K/10K/13.1 | St Louis, MO |
| 15742 | 16 May 26 | Muddy Dash | DFW | 5K | Fort Worth, TX |
| 15743 | 18 May 26 | 2026 EPIC5 Challenge . . | triathlon | Kauai, HI |
| 15744 | 23 May 26 | 2026 Soldier Field 10 | 10K | Chicago, IL |
| 15745 | 23 May 26 | Muddy Dash | Austin | 5K | Austin, TX |
| 15746 | 24 May 26 | Hibiscus Half Marathon, 15K and 5 Miler 2026 | 15K | Honolulu, HI |
| 15747 | 25 May 26 | Houston Holiday Series - Memorial Day Run, Half Marathon, 5K, 10K, Family and Kids' K | 5K | Houston, TX |
| 15748 | 29 May 26 | 2026 Essentia Health Fargo Marathon | 5K/13.1/26.2 | Fargo, ND |
| 15749 | 30 May 26 | Silver Moon Race: Paso Robles | 10K/Ultra | Paso Robles, CA |
| 15750 | 30 May 26 | Summer Dash Series - Lemonade Dash Austin, 5K, 10K, Family and Kids' K | 5K | Round Rock, TX |