The Shippey Endurance Runs

High Ridge, United States • 17-18 Jan 2026

The Shippey Endurance Runs is a challenging winter ultra marathon held at Beaumont Scout Reservation near High Ridge, Missouri, just outside St. Louis. The event features multiple distances including 100 miles, 100 kilometers, a 40-mile night run, a 20-mile run, and a 100-mile 5-person relay.

The course consists of a 20-mile loop with five legs ranging from 3.2 to 5.3 miles, featuring steep climbs, ridgeline running, creek bottoms, and mostly single/double track trails. The race alternates direction annually and offers indoor aid stations, camping near the start/finish, and proximity to local amenities. It is known for its tough terrain and variable winter weather. Visit the organization's website for the most recent information.

Race information

100 mi
100mi
100 mi
100mi 5-Person Relay
100 km
100k
40 mi
Night 40mi
20 mi
20mi
Visit the organization's website for the most recent information.
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