Distance
41.1 mi / 66 km
Elevation gain
4,090 ft / 1,247 m
Surface
86% unpaved
Best season
Late April (race day); May to October
Route by Onion River Sports
GPX: Export on Ride with GPS (free account)
Map & elevation
About this route
Official Muddy Onion course published by Onion River Sports on Ride with GPS (2026 edition). Organizers can tweak courses before race day, so check the event site for the final version.
Other distances at Muddy Onion Spring Classic
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