June ultramarathons in Wisconsin, United States

Meticulously marked trail courses around Richard Bong and Vern Wolf Lake, rolling hills, and scenic lake views at Richard Bong State Recreation Area

Primarily wooded trail with roller coaster hills, prairie and marsh stretches, soft pine needle footing, and recurring "Silent Killer" climbs

Looped 50K featuring a mix of flowy trails and technical singletrack through maple forests and pine groves, with views of Lake Superior and the Apostle Islands

Overnight 10-hour trail run on a scenic 5.25-mile Driftless Area loop, steep opening climb, varied elevation, and a community-focused atmosphere

Scenic Camp Sinawa trails in Valders, WI, mixed terrain, multiple distance options, rewarding course for ultrarunners