Rock River Canyon 50k Trail Run

Rock River Canyon : event overview

Rock River Canyon is a trail running event on Saturday, June 6, 2026, based at Valley Spur Lodge near Munising, Michigan. The event is offered in two distances and has a participant limit of 100. Great Lakes Endurance events are operated by Aravaipa Running for the 2026 season. There are no refunds for entries. Awards are given to the top three in each age group and all finishers receive a custom finisher medallion.

Course and race logistics

The main course is an out-and-back route on the North Country Trail into the Rock River Canyon Wilderness. The 50K route covers about 31 miles with approximately 4,390 ft of total ascent and descent; it includes 26 miles of single track and 5 miles of dirt forest road. The 27K is entirely single track and turns at the AuTrain aid station. There are six aid stations located roughly 4.0–5.4 miles apart (mile markers: 4, 8.4, 12.8, 18.2, 22.6, 27). Aid stations are vehicle-accessible and suitable for spectators. Runners are required to carry a 20 oz water bottle or functional hydration system that can be refilled. The 50K has an 8.5 hour time limit and aid stations close according to published cutoffs. Packet pickup and a drop-bag tent are located at Valley Spur Lodge, where parking is available. Race fees include round-trip bus transportation to the start, a race shirt if ordered by the deadline, and post-race refreshments. Visit the organization's website for the most recent information.

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