Upcoming Marathon Races Near Idaho Falls, ID

Organize a race? Get it in front of thousands of runners.

Add it free Feature it

Montana Trail Series

West Yellowstone, MT

Saturday, July 11th, 2026

Marathon

Half

Ultra

Trail

View details for race Montana Trail Series

The Yellowstone Trail Marathon and Trail Races

West Yellowstone, MT

Saturday, July 11th, 2026

Marathon

Half

Ultra

View details for race The Yellowstone Trail Marathon and Trail Races

Mesa Falls Marathon

Ashton, ID

Saturday, July 18th, 2026

Marathon

Half

10K

View details for race Mesa Falls Marathon

The Yellowstone Trail Marathon and Trail Races

West Yellowstone, MT

Saturday, August 1st, 2026

Marathon

Half

10K

View details for race The Yellowstone Trail Marathon and Trail Races

Malad Valley Marathon

Malad City, ID

Saturday, September 12th, 2026

Marathon

Half

10K

View details for race Malad Valley Marathon

Jackson Hole Marathon, Hole Half Marathon, Jac...

Jackson, WY

Saturday, September 26th, 2026

Marathon

Half

10K

View details for race Jackson Hole Marathon, Hole Half Marathon, Jackson Hole Quarter Marathon

Explore more in Idaho Falls, ID

Jump straight to races by distance, month, or type.

Distance

5K 10K Half Marathon Marathon

Month

June July August

Race type

Trail Boston Qualifiers Fast Courses

Run clubs

Run clubs in Idaho Falls

Nearby

Ashton Jackson West Yellowstone All Idaho races