Dirty Dog Trail Marathon and Half Marathon
Boise, United States • 13 Jun 2026
Dirty Dog Trail Marathon and Half Marathon
The event marks its 10th running in the Boise foothills at the Military Reserve Flood Basin Dog Park on the Ridge to Rivers Trail System. It offers running on local single track and some dirt road sections through the foothills near Boise, ID.
Distances:
- Marathon
- Half Marathon
The marathon course features large climbs and fast descents, with extensive single track. The half marathon combines single track and dirt road segments and is presented as an option for a first time trail race.
Aid stations are positioned along each course. Half marathon aid stations are at miles 4.5, 6.8 and 8.9. Marathon aid stations are at miles 4.5, 6.8, 14.5 and 21.5. Volunteers staff the aid stations.
A $100 bill is offered to the first man and the first woman to reach the top of the Hard Guy climb. The event includes a shirt guarantee cutoff: registrations after Saturday, May 30th are not guaranteed a shirt. Registration closes on Saturday, June 6 at 11:59 PM MT. Visit the organization's website for the most recent information.