Mendocino County's first ultra marathon, the Mendocino Ultra 50K is a breathtaking trail run starting and ending at the Big River State Park just south of Mendocino Village. The race takes runners along the rugged coast, up Russian Gulch and east through the forest, finally delivering them to the home stretch?about 10 miles along the majestic Big River.

Upcoming Races

Apr 20 2019
50 KM
Single Loop Course
5 Aid Stations
9 :30 Cutoff
Hilly, ~2500-7500 feet in 50 miles
Some rocks, root, and/or ruts


Date Distance Total Finishers Top Result Top Result (F)
04/21/18 50 KM 137 4:12:17 5:39:47
04/22/17 50 KM 135 4:14:03 4:51:46
04/23/16 50 KM 108 3:55:36 4:52:57
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information.
Earth Day 50K
  • Apr 20, 2019
  • Crystal Lake, IL
50 KM