Upcoming Marathon Races Near Fairfield, ID

Name: Idaho Running Day
Start: 2026-10-17
End: 2026-10-17
Location: Boise

Boise River Marathon

Eagle, ID

Saturday, May 2nd, 2026

Featured

Marathon

Half

10K

Fast

View details for race Boise River Marathon

Want to feature your race?

Get your race seen first by thousands of runners

Learn More

Learn how to feature your race

YMCA Famous Idaho Potato Marathon & Fun Runs

Boise, ID

Saturday, May 16th, 2026

Marathon

Half

10K

View details for race YMCA Famous Idaho Potato Marathon & Fun Runs

Boise Marathon

Boise, ID

Saturday, June 20th, 2026

Marathon

Half

10K

View details for race Boise Marathon

City of Trees Marathon

Boise, ID

Saturday, October 10th, 2026

Marathon

Half

10K

View details for race City of Trees Marathon

Idaho Running Day

Boise, ID

Saturday, October 17th, 2026

Marathon

Half

10K

View details for race Idaho Running Day

Explore more in Fairfield, ID

Distances:

5K 10K Half Marathon Marathon

Months:

February March April

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Idaho races

Don't see your race? Add it!

Add Your Race (Free)