Whitehorse Half Marathon
Arlington, United States • 28 Mar 2026
Event overview
The Whitehorse Oso Strong Half Marathon is a community-centered, out-and-back road/trail race of 13.1 miles held in Arlington, Washington. The event is presented as the first Whitehorse Half Marathon and is described as honoring resilience and remembrance in the Stillaguamish Valley. The race date is March 28, 2026.
Location and format
The race uses the Fortson Mill Trailhead area, listed at 30518 Fortson Mill Road, Arlington, WA 98223. The course is an out-and-back covering the half marathon distance.
Registration, fees and discounts
Registration includes chip-timed results, a finisher medal, an event T-shirt for registrations completed by March 15, awards for the top three overall male and female finishers, and post-race refreshments at the finish area. All registration fees are non-refundable. Transfer options may be available under the event refund and transfer policy. Discount offers noted in event materials include 10% off for the first 10 registrants with code "FIRST10" and a $5 early bird discount with code "EARLYBIRD" for registrations completed by January 31, 2026. Only one promo code may be used per registration.
Participation
The event is open to runners and walkers. Awards are specified for overall male and female finishers. Visit the organization's website for the most recent information.