The Dawn to Dusk Endurance Run returns to Camp Sinawa in Valders, Wisconsin on June 27th through the early morning hours of June 28th, inviting runners from across the Midwest to test their limits against the varied terrain and long hours. Nestled an hour south of Green Bay and just a short drive away from Manitowoc or the Fox Cities, Camp Sinawa provides a secluded yet accessible setting for this endurance event. The race takes place on a 4.5-mile loop that winds through trails and dirt roads within the camp's expansive grounds.
The surrounding landscape at Camp Sinawa offers a blend of rustic charm and natural beauty, with dense forests framing much of the course. As summer sets in, participants can expect to encounter lush greenery and perhaps catch glimpses of wildlife as they navigate around Lake Sinawa. The air is crisp but warm during early June mornings, gradually warming up through late afternoons before cooling off again under a blanket of stars by nightfall. This event fosters a sense of community among endurance enthusiasts who gather to share their passion for long-distance running and the spirit of perseverance.
With roots dating back several years, this Dawn to Dusk Endurance Run has become an integral part of Valders' summer calendar, attracting runners from various backgrounds and skill levels. Over 200 participants typically take on the challenge each year, with many returning annually to improve their personal bests or simply enjoy the camaraderie that forms among fellow endurance athletes. The race supports local charities aimed at improving community health initiatives, making every step a contribution towards bettering lives in Wisconsin.
The course itself is marked by its diverse terrain and scenic beauty, weaving through Camp Sinawa’s woodland trails and dirt Jeep roads with only brief stretches of pavement to break up the loop. Each lap includes approximately 330 feet of elevation gain, offering both ascents and descents that challenge runners' endurance over time. Notable features include a steep climb near the lakefront trailhead and several creek crossings along the route.
Start and finish lines are located at the main entrance of Camp Sinawa on Sinawa Road in Valders. Runners can expect well-marked aid stations every two miles, providing essential supplies such as water, energy gels, and snacks to keep them fueled through long hours or days. The event’s unique timing allows participants to experience a range of conditions—from early morning dew-kissed trails to the warmth of midday sun and cool nights under starlit skies.
Weather in June at Camp Sinawa is typically mild with average temperatures around 19.9°C, ranging between cooler mornings (around 14.5°C) and warmer afternoons that peak near 25.3°C. Humidity levels hover around 65%, creating a comfortable yet damp atmosphere that may call for proper moisture-wicking clothing. The chance of rainfall is relatively low at about 3.2mm per day, but UV index readings reach very high levels (8.0), so sun protection remains crucial throughout the event.
15.5hrs
15.5 Hours • Start: 05:09:00 • Fee: $160.00
24hrs
24 Hours • Start: 05:09:00 • Fee: $200.00
6hrs
6 Hours • Start: 05:09:00 • Fee: $110.00
8hrs
8 Hours • Start: 05:09:00 • Fee: $130.00
Dusk to Dawn
Start: 20:41:00 • Fee: $130.00
Registration for the Dawn To Dusk Endurance Run opens on January 2, 2026, and can be completed through our official registration page [https://ultrasignup.com/register.aspx?did=133232](https://ultrasignup.com/register.aspx?did=133232). Pricing varies based on the distance chosen and when you register. For example, early bird rates are available until February 28th for $90-$140 depending on your selected distance category. After that period ends, prices increase incrementally up to race day.
Bib pickup will take place at Camp Sinawa from June 25-26 between 3:00 PM and 7:00 PM daily; participants must bring a valid photo ID along with their confirmation email. On the morning of the event (June 27th), runners should arrive early to collect any final items needed before starting at Sinawa Road in Valders, Wisconsin.
As you prepare for this unique endurance challenge at Camp Sinawa near Valders, ensure you review all race details on our official website and familiarize yourself with rules regarding crew support or pacers. The Dawn To Dusk Endurance Run is not just a competition but also an opportunity to push your limits within the serene setting of Wisconsin’s natural beauty.
The Dawn to Dusk Endurance Run at Camp Sinawa near Valders, WI on June 27th through early hours of June 28th awaits endurance runners ready for a challenge steeped in tradition and scenic splendor.
