| 15886 | 18 May 26 | 2026 EPIC5 Challenge . . | triathlon | Kauai, HI |
| 15887 | 23 May 26 | 2026 Soldier Field 10 | 10K | Chicago, IL |
| 15888 | 23 May 26 | Muddy Dash | Austin | 5K | Austin, TX |
| 15889 | 24 May 26 | Hibiscus Half Marathon, 15K and 5 Miler 2026 | 15K | Honolulu, HI |
| 15890 | 25 May 26 | Houston Holiday Series - Memorial Day Run, Half Marathon, 5K, 10K, Family and Kids' K | 5K | Houston, TX |
| 15891 | 29 May 26 | 2026 Essentia Health Fargo Marathon | 5K/13.1/26.2 | Fargo, ND |
| 15892 | 30 May 26 | Silver Moon Race: Paso Robles | 10K/Ultra | Paso Robles, CA |
| 15893 | 30 May 26 | Summer Dash Series - Lemonade Dash Austin, 5K, 10K, Family and Kids' K | 5K | Round Rock, TX |
| 15894 | 30 May 26 | Muddy Dash | Oklahoma City | 5K | Oklahoma, OK |
| 15895 | 31 May 26 | North Shore Classic | 5K | Highland Park, IL |
| 15896 | 06 Jun 26 | Shipyard Old Port Half Marathon and 5K | 5K | Portland, ME |
| 15897 | 06 Jun 26 | MISH Waterfront Marathon | Half | 10K | 10K/13.1/26.2 | Gladstone, MI |
| 15898 | 06 Jun 26 | Summer Dash Series - Lemonade Dash Houston, 5K, 10K, Family and Kids' K | 5K | Houston, TX |
| 15899 | 13 Jun 26 | Muddy Dash | Kansas City | 5K | Grain Valley, MO |
| 15900 | 20 Jun 26 | Sugar Daddy Race | 5K/10K/13.1 | Santa Clarita, CA |