Jackass Half Marathon
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Event overview
The Jackass Half Marathon & 5K is an annual road race held on October 4, 2025, in Kellogg, Idaho. Runners use the paved Trail of the Coeur d'Alenes, with courses that are point-to-point and mostly downhill. The route follows the winding Coeur d'Alene River and passes through the foothills of the Silver Valley between Wallace and Uptown Kellogg.
Race formats and registration
Available distances:
- 13.1 miles (half marathon) from Wallace to Kellogg
- 5K from Elizabeth Park to Kellogg
- Kid's Half Marathon (non-timed)
The Kid's Half Marathon requires participants to log 12 miles before race day and then complete the final 1.1 mile on race day. Miles may be earned by running, walking, biking, swimming, or participation in school sports; a parent or coach must sign off each mile. Kid participants must be able to walk and be age 13 or younger on race day. All Kid's participants receive a t-shirt.
Registration and volunteer sign-up are handled through the event registration system. A runner scholarship and a volunteer scholarship are available. The 5K is listed as sold out; the event page shows a participant count and current availability updates. Walkers-only entries require a walking-only pace and may be disqualified if they finish substantially faster than the intended walking limit. Visit the organization's website for the most recent information.