Upcoming Half Marathon Races Near Fairfield, ID

Name: Boise Half Marathon
Start: 2026-11-14
End: 2026-11-14
Location: Boise

36th Annual St. Patrick's Fun Run & Walk

Tuttle, ID

Saturday, March 14th, 2026

Featured

Half

View details for race 36th Annual St. Patrick's Fun Run & Walk

Want to feature your race?

Get your race seen first by thousands of runners

Learn More

Learn how to feature your race

Race to Robie Creek®

Boise, ID

Saturday, April 18th, 2026

Half

View details for race Race to Robie Creek®

Falls2Falls 2026

Twin Falls, ID

Saturday, April 25th, 2026

Half

1 Mile

View details for race Falls2Falls 2026

YMCA Famous Idaho Potato Marathon & Fun Runs Pr...

Boise, ID

Saturday, May 16th, 2026

Marathon

Half

View details for race YMCA Famous Idaho Potato Marathon & Fun Runs Presented by The Idaho Potato Commission

Redfish Lake Lodge Memorial Weekend Run

Stanley, ID

Saturday, May 23rd, 2026

1 Mile

10K

View details for race Redfish Lake Lodge Memorial Weekend Run

Spirit of Magic Valley Half Marathon - 10K - 5K...

Twin Falls, ID

Saturday, June 6th, 2026

Half

10K

Trail

View details for race Spirit of Magic Valley Half Marathon - 10K - 5K - Kids 1 Mile

Boise Marathon

Boise, ID

Saturday, June 20th, 2026

Marathon

Half

10K

View details for race Boise Marathon

Christmas 5K/10K/Half Marathon in July - Boise

Boise, ID

Saturday, July 11th, 2026

10K

Half

View details for race Christmas 5K/10K/Half Marathon in July - Boise

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

Boise Half Marathon

Boise, ID

Saturday, November 14th, 2026

Half

View details for race Boise Half Marathon

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)