| Distance | 50.0 mi |
| Distance (metric) | 80.5 km“50.0 mi / Finish: Carlton Munger Trailhead” source |
| Course type | out-and-back“The race follows a rugged, varied, out-and-back course that takes runners on a journey from Carlton, MN, through Jay Cooke State Park, and heads northeast over difficult, rough woodland trails to Duluth, MN—and back.” source |
| Elevation gain | 5,000 ft“Ascent: 5,000 ft / Descent: 5,000 ft” source |
| Net elevation | 0 ft“0.0 mi Start: Carlton Munger Trailhead ... GPS: 46.66268, -92.42273 / 50.0 mi Finish: Carlton Munger Trailhead ... GPS: 46.66268, -92.42273” source |
| Terrain | forest“The race is run primarily on rugged woodland singletrack with roots, rocks, and other potential hazards.” source |
| Nearest town | Carlton“Start/finish: Carlton, MN (Turnaround: Duluth, MN)” source |
| State | MN“Start/finish: Carlton, MN (Turnaround: Duluth, MN)” source |
| Country | US“Start/finish: Carlton, MN (Turnaround: Duluth, MN)” source |
| Race starts at | Carlton Munger Trailhead, Carlton, MN“New in 2026: The race start/finish has moved to the Carlton Munger Trailhead, which we have long used for the Curnow Marathon. ... 0.0 mi / Start: Carlton Munger Trailhead ... GPS: 46.66268, -92.42273” source |
| Nearest major airport | MSP“Minneapolis Airport (MSP), USA to Carlton, MN, USA. The road distance is 139.5 miles.” source |
| Driving distance to airport | 139.5 mi“Minneapolis Airport (MSP), USA to Carlton, MN, USA. The road distance is 139.5 miles.” source |