Deception Pass Half Marathon

Deception Pass Half Marathon & 10K - Oak Harbor, WA, April 4, 2026

This event offers three options: a 13.1-mile half marathon, a 10K, and a combined Double (both courses). All courses start and finish at the East Cranberry Lake Day Use Area in Deception Pass State Park and use park roads briefly before moving onto mostly single-track trails.

• Half Marathon: 13.1 miles, 2,100 ft elevation gain and loss, 2 aid stations.
• 10K: 10 kilometers, 1,100 ft elevation gain and loss, 1 aid station.
• The Double: 19.3 miles, 3,300 ft elevation gain and loss, 3 aid stations.

The half marathon crosses Deception Pass Bridge twice and visits trails including Rosario Head, Lighthouse Point, and Lottie Point. Trails vary from smooth single track to rocky and rooty sections with short but occasionally steep hills. Courses are marked with yellow and black arrow signs and pink/black surveyor ribbons.

Aid stations provide water, electrolyte drink, peanut butter and jelly sandwiches, fresh fruit, chips, pickles, cookies or candy, a variety of gels (use as supplement), first aid supplies, and feminine hygiene items. Half marathon runners may use a drop bag at Bowman Bay aid station; there are no drop bags for the 10K.

Parking in the park requires a Discover Pass and there is no overnight parking at the start/finish lot. Cutoff times apply at specified aid stations; participants who miss cutoffs will be transported back to the finish and may be removed from the course. Visit the organization's website for the most recent information.