City Guide

Boise, ID.

Discover the best running events in Boise, ID. From local 5Ks to major marathons.

All Events

3 upcoming races

Oct 11, 2026

Registration Open

City of Trees Marathon

Boise, Idaho, United States

Marathon

Also: Half Marathon, 10K, 5K

See full guide

Nov 14, 2026

Registration Open

Boise Half Marathon

Boise, ID, United States

Boise Marathon

Boise, ID, United States

Marathon

Also: Half Marathon, 10K, 5K

See full guide

Browse by Distance

Marathon (26.2 miles / 42.2 km)

Oct 11, 2026

Registration Open

City of Trees Marathon

Boise, Idaho, United States

Marathon

Also: Half Marathon, 10K, 5K

See full guide

Jun 20, 2026

completed

Boise Marathon

Boise, ID, United States

Marathon

Also: Half Marathon, 10K, 5K

See full guide

Half Marathon (13.1 miles / 21.1 km)

Nov 14, 2026

Registration Open

Boise Half Marathon

Boise, ID, United States

Half Marathon

See full guide

Plan Your Race

Pace Calculator

Plan your splits and finish time

Race Predictor

Predict your time from a recent result

BQ Calculator

Check your Boston qualifying time

Fuel Planner

Plan your race-day nutrition

Difficulty Analyzer

Score the course difficulty

Training Paces

Get your VDOT training zones

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