Whitehorse Half Marathon

Join us for the inaugural Whitehorse Oso Strong Half Marathon—a breathtaking 13.1-mile journey to celebrate the resilience and spirit of the Stillaguamish Valley. Be among the pioneers in this meaningful event, with a course designed to delight and challenge participants of every level.

Sign up now and enjoy perks like chip-timed results, a finisher medal, an event T-shirt (for those registered by March 15), and rewards for the top male and female finishers. Revel in post-race refreshments as you soak in your achievement. Remember, the first 10 registrants snag a sweet 10% discount using the code "FIRST10" and early birds get $5 off with "EARLYBIRD" by January 31, 2026. All skill levels are welcome to join us for this special event—register today and secure your spot on the starting line!

Note: Registration is binding, but a transfer option might save the day if plans change. Check out our Refund & Transfer Policy for details. Can't wait to welcome you to the trail and make some unforgettable memories together!