The Underdown Trail Races have maintained their spirited charm since their inception, offering runners a true wilderness experience in Northern Wisconsin. Located just a short distance from Highway 51, the race showcases challenging singletrack trails shaped by ancient glaciers, making for a unique running adventure. Participants will navigate a demanding course featuring steep climbs—up to 70 hills—and scenic overlooks of serene lakes, enhanced by numerous boardwalks that add to the rugged beauty of the landscape. This event presents a perfect blend of thrill and natural splendor for avid trail runners.