Mace’s Hideout 100

JUN
6-7
2026
This ultramarathon explores Colorado's Wet Mountains on a tough 100-mile or 50-mile course. The route crosses diverse ecosystems, from wet forests to arid valleys, with 22,500 feet of climbing. Only 75 spots are available per distance.
6-7 Jun 2026
100 miles 50 miles

Always double-check with the organizer's website! This page may contain affiliate links.

Event Overview

Mace’s Hideout 100 is a running event that takes place in Colorado's Wet Mountains. The event offers two distances: a 100-mile course and a 50-mile course. There are 75 spots available for each distance.

Course Details

The course traverses the Wet Mountains, a sub-range of the Sangre de Cristo Mountains. Runners travel from the east side of the range to the west side, experiencing different ecosystems. The east side features fir, spruce, and lodgepole pine forests, while the west side has a drier landscape with pinon pines, junipers, and sagebrush. The course passes through alpine meadows.

The 100-mile route has a high point of 11,659 feet, a low point of 6,608 feet, and a total elevation gain of 22,500 feet. The cutoff time is 36 hours.

Additional Information

There are no refunds for the event. Rollovers to a future date may be considered if the person volunteers at one of the organizer's races. Visit the organization's website for the most recent information.

100 mi
100 Mile Course
50 mi
50 Mile Course