Join us for the 2026 Whitehorse Oso Strong Half Marathon, a scenic and heartfelt 13.1-mile out-and-back run through the Stillaguamish Valley. Starting at the Miller Shingle Trailhead and reaching the Oso Slide Memorial loop, this event blends natural beauty with community remembrance and resilience.
A portion of event fees will be donated to the Community Foundation of Snohomish County to support long-term care of the Oso Slide Memorial.
✨ Limited to 200 runners to be part of the first chapter.
Runners and walkers of all levels are welcome. Each participant will receive chip-timed results, a finisher medal, and an event T-shirt for registrations completed by March 15. Awards will be presented to the Top 3 Male and Female finishers.
Registration Discounts:
Early Bird registrants receive $5 off with Promo Code "EARLYBIRD" when registering by January 31, 2026.
👉 Full event details and updates visit:
www.leedventuresrun.com/events/whitehorse-half-marathon
We look forward to sharing the trail with you.
Also check out other Sports events in Arlington, Trips & Adventurous Activities in Arlington.
