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Dirty Dog Trail Marathon and Half Marathon

Name: Dirty Dog Trail Marathon and Half Marathon
Start: 2026-06-13
End: 2026-06-13
Location: Boise

Boise, United States • 13 Jun 2026

Dirty Dog Trail Marathon and Half Marathon : June 13, 2026

The Dirty Dog Trail Marathon and Half Marathon takes place in the Boise foothills at the Military Reserve Flood Basin Dog Park on the Ridge to Rivers Trail System. The 2026 event marks the tenth running of these trail races.

Distances

Marathon
Half Marathon

The marathon course features large climbs, fast descents and extensive single-track trail. The first man and woman to reach the top of the Hard Guy climb will find a $100 prize each. The half marathon combines single-track sections with some dirt road and is described as challenging yet suitable for a first trail race experience.

Organizers provide multiple well-stocked aid stations staffed by volunteers. Aid station locations are: half marathon at miles 4.5, 6.8 and 8.9; full marathon at miles 4.5, 6.8, 14.5 and 21.5.

Registration for the event closes on Saturday, June 6 at 11:59 PM Mountain Time. There is a shirt guarantee cutoff: entries made after Saturday, May 30 are not guaranteed a shirt. Visit the organization's website for the most recent information.

United States Idaho Boise

Race information

Website Registration

26 mi

Marathon

13 mi

Half Marathon

Visit the organization's website for the most recent information.

Trail runs nearby

Fri - Fri Jun-Jul 26-24

Bogus Trail Series

Boise

4 mi

5 mi

A three-race trail series at Bogus Basin in Boise with Grand Prix style scoring and male and female winners. Courses range from 3.5 to 4.5 miles and packet pickup is offered before each race.

Fri - Sat Jul-Aug 31-1

Boise Front Trail Festival

Two days of mountain trail racing at Bogus Basin with an uphill Hill Climb, 5 mile and 10 mile races, community fundraising for Ridge to Rivers, and a youth discount through the Youth Trail Initiative.

Saturday Aug 22

Foothills XC 12K

Boise

5 km

12 km

Trail races of 5K and 12K take place in the Fort Boise Park Military Reserve Trail System in Boise, Idaho. Proceeds benefit the Bogus Basin Nordic Team and the 12K includes cash prizes plus a post race raffle.

Saturday Aug 29

LESS Society Table Rock Run

Boise

4 mi

A community run on Table Rock Trail near Boise that follows an approximately 3.8 mile round trip course with 900 feet of climb. Proceeds support scholarships for Idaho students and the LESS Society mission.