Fox Valley Winter Challenge Trail Series 8k

Join the Fox Valley Winter Challenge Trail Series 8K on Saturday, February 21, 2026, in scenic Aurora, Kane County, for an exhilarating winter trail running experience. Starting at Oakhurst Forest Preserve, this dynamic race features a demanding quad-burning climb and an exciting 8K route through diverse terrains, including open paths and winding woods, with the potential for snow, ice, and mud, offering a true test of endurance and skill. Perfect for both seasoned trail runners and newcomers seeking a challenge, participants will earn a custom finisher’s medal and premium cold-weather gear. As the second leg of the Winter Challenge Trail Series, this event also helps runners unlock a stunning three-piece medal set and exclusive bonus gear when completing the full series. Lace up your trail shoes, embrace the winter elements, and experience a thrilling, memorable race that celebrates strength, perseverance, and the beauty of winter trail running.