| 15481 | 10 May 26 | 2026 Prairie Series - Day 3 (KS) | 5K/10K | Hiawatha, KS |
| 15482 | 11 May 26 | 2026 Prairie Series - Day 4 (NE) | 5K/10K | South Sioux, NE |
| 15483 | 12 May 26 | 2026 Prairie Series - Day 5 (IA) | 5K/10K | Sioux, IA |
| 15484 | 13 May 26 | 2026 Prairie Series - Day 6 (SD) | 5K/10K | Baltic, SD |
| 15485 | 14 May 26 | 2026 Prairie Series - Day 7 (MN/ND) | 5K/10K | Breckenridge, MN |
| 15486 | 15 May 26 | 2026 Prairie Series - Day 8 (MN/ND) | 5K/10K | Breckenridge, MN |
| 15487 | 16 May 26 | La Jolla Half Marathon & 5K | ['Half Marathon'/ '5K'] | San Diego, CA |
| 15488 | 16 May 26 | The SPRING SPRUNG 5k-10k and Half Marathon | 5K/10K/13.1 | St Louis, MO |
| 15489 | 16 May 26 | Muddy Dash | DFW | 5K | Fort Worth, TX |
| 15490 | 17 May 26 | 2026 Cal Tri Richmond | triathlon | Spotsylvania Courthouse, VA |
| 15491 | 18 May 26 | 2026 EPIC5 Challenge . . | triathlon | Kauai, HI |
| 15492 | 23 May 26 | 2026 Soldier Field 10 | 10K | Chicago, IL |
| 15493 | 23 May 26 | Muddy Dash | Austin | 5K | Austin, TX |
| 15494 | 24 May 26 | Hibiscus Half Marathon, 15K and 5 Miler 2026 | 15K | Honolulu, HI |
| 15495 | 25 May 26 | Houston Holiday Series - Memorial Day Run, Half Marathon, 5K, 10K, Family and Kids' K | 5K | Houston, TX |