Whitehorse Half Marathon
Arlington, United States • 28 Mar 2026
Event Details
The Whitehorse Oso Strong Half Marathon is a scenic and community-centered 13.1-mile out-and-back run. The event honors resilience, remembrance, and the spirit of the Stillaguamish Valley. It is the first edition of this event.
Registration includes chip-timed results, a finisher medal, and an event T-shirt for those who register by March 15. Awards are given to the top three overall male and female finishers. Post-race refreshments are provided at the finish area.
Registration Information
All registration fees are non-refundable. Transfer options may be available under the event's Refund & Transfer Policy. The event is open to runners and walkers.
Discounts are offered for early registrants. The first ten registrants receive a 10% discount with the code "FIRST10". An early bird discount of $5 is available with the code "EARLYBIRD" for registrations completed by January 31, 2026. Only one promo code can be used per registration. Visit the organization's website for the most recent information.