| 16396 | 09 May 26 | 2026 Cinco de Miler | 1M | Chicago, IL |
| 16397 | 16 May 26 | La Jolla Half Marathon & 5K | ['Half Marathon'/ '5K'] | San Diego, CA |
| 16398 | 16 May 26 | The SPRING SPRUNG 5k-10k and Half Marathon | 5K/10K/13.1 | St Louis, MO |
| 16399 | 18 May 26 | 2026 EPIC5 Challenge . . | triathlon | Kauai, HI |
| 16400 | 23 May 26 | 2026 Soldier Field 10 | 10K | Chicago, IL |
| 16401 | 24 May 26 | Hibiscus Half Marathon, 15K and 5 Miler 2026 | 15K | Honolulu, HI |
| 16402 | 25 May 26 | Houston Holiday Series - Memorial Day Run, Half Marathon, 5K, 10K, Family and Kids' K | 5K | Houston, TX |
| 16403 | 29 May 26 | 2026 Essentia Health Fargo Marathon | 5K/13.1/26.2 | Fargo, ND |
| 16404 | 30 May 26 | Summer Dash Series - Lemonade Dash Austin, 5K, 10K, Family and Kids' K | 5K | Round Rock, TX |
| 16405 | 30 May 26 | Silver Moon Race: Paso Robles | 10K/Ultra | Paso Robles, CA |
| 16406 | 31 May 26 | North Shore Classic | 5K | Highland Park, IL |
| 16407 | 06 Jun 26 | Shipyard Old Port Half Marathon and 5K | 5K | Portland, ME |
| 16408 | 06 Jun 26 | MISH Waterfront Marathon | Half | 10K | 10K/13.1/26.2 | Gladstone, MI |
| 16409 | 06 Jun 26 | Summer Dash Series - Lemonade Dash Houston, 5K, 10K, Family and Kids' K | 5K | Houston, TX |
| 16410 | 20 Jun 26 | 2026 Sugar Daddy Race | 5K/10K | Santa Clarita, CA |