Upcoming Marathon Events in Idaho, United States

APR
18
2026
2026 Spitfire Ultra Trail Challenge
📍 Menan, United States
🏃‍♂️ Trail
📏 5 km, 12 km, 30 km, 55 km
APR
25
2026
2026 Weiser River 50K Ultra and Relay
📍 Council, United States
🏃‍♂️ Mixed Terrain
📏 50 km
MAY
2
2026
2026 Boise River Marathon
📍 Eagle, United States
🏃‍♂️ Road
📏 3.1 miles, 6.2 miles, 13.1 miles, 26.2 miles
MAY
9
2026
2026 Over The Top Trail Race
📍 Pocatello, United States
🏃‍♂️ Trail
📏 5 km, 10 km, 21 km, 30 km
MAY
24
2026
Coeur a'Alene (CDA) Marathon 2026
📍 Coeur d'Alene, United States
🏃‍♂️ Road
📏 5 km, 10 km, 21 km, 42 km
JUN
5-6
2026
Scout Mountain Ultras 2026
📍 Pocatello, United States
🏃‍♂️ Trail
📏 24 miles, 50 miles, 50 km, 100 miles
JUN
6
2026
Spirit Of Magic Valley Half Marathon 2026
📍 Twin Falls, United States
🏃‍♂️ Trail
📏 5 km, 10 km, 13.1 miles
JUN
20
2026
Boise Marathon 2026
📍 Boise, United States
🏃‍♂️ Road
📏 3.1 miles, 6.2 miles, 13.1 miles, 26.2 miles
JUN
20-21
2026
Race The Wolf 2026
📍 Sandpoint, United States
🏃‍♂️ Trail
📏 1 miles, 5 miles, 13.1 miles, 26.2 miles
JUN
27
2026
McCall Trailrunning Classic 2026
📍 McCall, United States
🏃‍♂️ Trail
📏 30 km, 50 km