Jasper Mountain Trail Fest 2026 – Dayton, WA 2026

2026 Jasper Mountain Trail Fest Video Jasper Mountain Trail Fest is a fundraising event that benefits Jasper Mountain Reserve , an environmental 501(c)3 non-profit organization to improve and enhance wildlife habitats for rare and endangered flora and fauna native to the Blue Mountains in the Southeast corner of Washington State. Come and enjoy the beautiful natural scenery with the knowledge that your signup funds will benefit the conservation of the reserve. For 2026, we are offering four unique race options: 1) Our classic (sixth annual!) 4-person relay race, 52.4 miles total distance 2) Solo Half marathon, 13.1 miles with 2,570 feet of elevation gain 3) Solo Full marathon, 26.2 miles with 5,140 feet of elevation gain 4) Solo 7k Family Run (4.4 miles) with minimal elevation gain Price increases are on April 15, 2026, May 17, 2026, and June 13, 2026. Sign up by May 31, 2026 to guarantee you receive a race t-shirt and medal! (we have a few extras for late registrants on a first come-f