Dawn to Dusk Endurance Run - Valders, WI

The Dawn to Dusk Endurance Run is an ultramarathon event held at Camp Sinawa near Valders, Wisconsin. The race features multiple timed events including 24-hour, 15.5-hour, 8.5-hour (Dusk to Dawn), 8-hour, and 6-hour runs. The course is a 4.5-mile loop primarily through wooded terrain, combining rolling hills on dirt jeep roads, winding single-track mountain bike trails, and a short paved section, with about 330 feet of elevation gain per lap.

Located about an hour south of Green Bay, the event offers a challenging and scenic endurance running experience in a natural setting. Registration is required in advance, with no race day sign-ups. Visit the organization's website for the most recent information.