Race Start End City State
2026 Prairie Series - Day 5 (IA) May. 12, '26 May. 13, '26 Sioux City IA  
Iowa Trail Run Series: Ledges May. 16, '26 May. 16, '26 Madrid IA REGISTER
Iowa Trail Run Series: Mines of Spain May. 2, '26 May. 2, '26 Dubuque IA REGISTER
Hometown Half Marathon & 5k/10k - Des Moines May. 24, '26 May. 24, '26 Des Moines IA REGISTER
Medal Madness 5K, 10K, & 13.1M at Bettendorf, IA (22) May. 30, '26 May. 30, '26 Bettendorf IA REGISTER
Gladiator Assault Challenge May. 16, '26 May. 17, '26 Boone IA REGISTER
IronHorse - USATF Certified & Sanctioned May. 2, '26 May. 2, '26 Riceville IA REGISTER
Luau 5K, 10K, & 13.1M at Bettendorf, IA (20) May. 16, '26 May. 16, '26 Bettendorf IA REGISTER
Iowa Hope Run May. 9, '26 May. 9, '26 Des Moines IA REGISTER
Des Moines Women's Half Marathon, 10K, 5K + Team Relay May. 2, '26 May. 3, '26 Des Moines IA REGISTER
Friends of Yellow River State Forest Trail Run May. 8, '26 May. 9, '26 Harpers Ferry IA REGISTER