Trail running course through singletrack trails in Wisconsin, USA

Black River Trail Classic

85K·Colorado Springs, co·October 17, 2026
4 distances

Photo by Ivana Sluneckova on Unsplash

Choose Your Distance

Trail running course through singletrack trails in Wisconsin, USA

85K

1,804 ft gain

The courses wind through Black River State Forest's diverse terrain, shaped by Ice Age glaciation into the buttes, hills, and ridges that characterize this landscape. Scenic overlooks punctuate the trails as they traverse woodlands and rolling terrain, with the ridge sections offering the most dramatic views across the forest canopy. The 85K distance uniquely combines all race courses into one comprehensive tour of the forest, starting and finishing at the Smrekar Lot. Runners experience the full range of terrain and elevation changes, from gentle woodland sections to the more challenging ridge climbs that provide those coveted overlook rewards.

Trail running course through singletrack trails in Wisconsin

Black River Trail Classic 50K

313m gain

The courses wind through Black River State Forest's diverse terrain, shaped by Ice Age glaciation into the buttes, hills, and ridges that characterize this landscape. Scenic overlooks punctuate the trails as they traverse woodlands and rolling terrain, with the ridge sections offering the most dramatic views across the forest canopy. The 85K distance uniquely combines all race courses into one comprehensive tour of the forest, starting and finishing at the Smrekar Lot. Runners experience the full range of terrain and elevation changes, from gentle woodland sections to the more challenging ridge climbs that provide those coveted overlook rewards.

Trail running course through singletrack trails in Wisconsin

Black River Trail Classic 10K

48m gain

The courses wind through Black River State Forest's diverse terrain, shaped by Ice Age glaciation into the buttes, hills, and ridges that characterize this landscape. Scenic overlooks punctuate the trails as they traverse woodlands and rolling terrain, with the ridge sections offering the most dramatic views across the forest canopy. The 85K distance uniquely combines all race courses into one comprehensive tour of the forest, starting and finishing at the Smrekar Lot. Runners experience the full range of terrain and elevation changes, from gentle woodland sections to the more challenging ridge climbs that provide those coveted overlook rewards.

Trail running course through singletrack trails in Wisconsin

Black River Trail Classic 25K

49m gain

The courses wind through Black River State Forest's diverse terrain, shaped by Ice Age glaciation into the buttes, hills, and ridges that characterize this landscape. Scenic overlooks punctuate the trails as they traverse woodlands and rolling terrain, with the ridge sections offering the most dramatic views across the forest canopy. The 85K distance uniquely combines all race courses into one comprehensive tour of the forest, starting and finishing at the Smrekar Lot. Runners experience the full range of terrain and elevation changes, from gentle woodland sections to the more challenging ridge climbs that provide those coveted overlook rewards.