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Built on bad decisions in Boulder, CO.

Tushars Mountain Runs 100K

Basic Listing
  1. Aravaipa Running
  2. 2026 Edition

Three peak summits in Utah's hidden high-altitude range

Directions
DeadlineJuly 27, 2026
Register

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11,490 ft gain
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All trail races in Utah→
August 01, 2026
Saturday 5:00am MDT start
Beaver, UT
United States
63.1 miles
Loop Course
15,570 ft
Elevation Gain
Open Registration
No lottery
No Service Requirement
Does not require trail or volunteer work
No Qualifier
No qualifier race required
Very Challenging
Experienced ultrarunners
Links
WebsiteInstagramFacebookYouTube
2015
Established
62%
Finish Rate

What Makes It Great

A grueling high-alpine loop through Utah's Tushar Mountains starting and finishing at Eagle Point Resort at 10,500 feet. Runners summit three peaks — City Creek Peak, Copper Belt, and Shelly Baldy — via off-trail climbs and navigate deep wilderness terrain through Fishlake National Forest. The course weaves through remote singletrack, multiple creek crossings, and exposed ridgelines, with all three summits requiring wristband collection as proof of tagging. Expect dramatic weather shifts, night running, and one of the toughest mountain hundreds in the Intermountain West.

Difficulty

Advanced
8/10

Experienced ultrarunners

High Altitude
Technical Terrain
Steep Climbing
Remote Terrain
Night Running
Variable Weather
Technical Descent

Race Highlights

Three off-trail summit peaks
Runners summit City Creek Peak, Copper Belt, and Shelly Baldy, collecting wristbands at each as proof of tagging
16,392 ft of climbing
Over 63.7 miles starting and finishing at 10,500 feet in Utah's Tushar Mountains
Deep wilderness on Fishlake
Remote Fishlake National Forest terrain with long stretches between aid, jungle gym blowdowns, and multiple creek crossings
Night running required
24-hour time limit means nearly all runners navigate sections in darkness, including the Shelly Baldy summit climb
~62% finish rate
Only 62% of starters finished over the past three years — one of the harder mountain hundreds in the region

Finish Awards

Custom Finisher Award
Custom finisher award from Aravaipa Artworx (unique artwork piece, distinct from the medal given for shorter distances)

Tushars Mountain Runs 100K

Beaver, UT, United StatesAugust 01, 2026

August 01, 2026
Course map for Tushars Mountain Runs 100K
DistDistance63.1 mi
GainElevation Gain15,570 ft
LimitCutoff24 h
High AltitudeSteep ClimbingRemote TerrainNight RunningVariable WeatherTechnical Descent

Entry Timeline

Registration DeadlineJuly 27, 2026
Race DayAugust 01, 2026

Lottery

This event uses open registration - no lottery entry required.

Qualifier

This event does not require a qualifier for entry.

Service Requirement

This race does not have a service requirement for entry.

Terrain

Surface Types
Singletrack60%
Unknown15%
Forest Road15%
Mining Roads10%
63.1 mi
Distance
Loop
Route
24h
Cutoff Time
10,522 ft
Average Elevation
15,570 ft
Total Ascent
15,570 ft
Total Descent
11,358 ft
High Point
9,222 ft
Low Point
Course map
Launch Course Explorer

Aid Stations

LocationMileElevation
Start
Start
0.010,322 ft
Lake Stream I
Aid Station
3.810,509 ft
Big Flat
Aid Station
10.210,075 ft
Lake Stream II
Aid Station
20.010,679 ft
Alunite Ridge
Aid Station
24.710,810 ft
Bullion Pasture I
Aid Station
31.910,991 ft
Copper Belt I
Aid Station
34.710,036 ft
Copper Belt II
Aid Station
41.310,112 ft
Bullion Pasture II
Aid Station
44.110,043 ft
Mud Lake
Aid Station
50.811,024 ft
Big John Flat Crew Zone
Crew Access
56.79,961 ft
Skyline
Aid Station
58.710,423 ft
Finish
Finish
63.110,325 ft

Sign in to see cutoffs, crew access, drop bags, and services for every aid station.

On-Site Camping Available

Camping passes (tent, car, and RV) available for purchase at bib pickup at Eagle Point Resort. No vehicles allowed on the grass. A separate email with details goes to those who purchase a camping pass.

Crew Access Points

Pacer Rules

  • Pacers may join/leave at Bullion Pasture I (mile 31.9), Bullion Pasture II (mile 44.1), or Big John Flat Crew Zone (miles 56.7-57.9). Only one pacer at a time, on foot. Pacers must carry the same required gear as runners and may use aid station food and water. No muling (carrying runner's pack, equipment, or food).

Crew Rules

  • Crews permitted at Start/Finish, Big Flat (mile 10.2), Bullion Pasture (miles 31.9 and 44.1), and Big John Flat Crew Zone (miles 56.7-57.9). Crews are prohibited from all other aid stations and may not provide aid outside designated crew zones. Spectating is fine as long as no aid is provided away from crew zones.
Weather
High Altitude

Course starts and finishes at 10,500 ft, spending most of the race between 9,500-11,356 ft. Altitude sickness risk is significant.

Lightning/Thunderstorm Risk

Afternoon thunderstorms common on exposed ridgelines and summit peaks. Race has experienced lightning, hail, and storms nearly every year.

Rapid Weather Changes

Conditions can rapidly shift from hot sunny skies to thunderstorms, hail, fog, and cold in a single afternoon. Temps range from lows in the 40s°F to highs near 90°F.

Gear Rules

Trekking poles allowed

Required Gear

No required gear specified

Recommended Gear

No recommended gear specified

Featured Videos

THE TUSHARS | 100K in Utah's Hidden Range - 2025 Full Film | Aravaipa Originals
THE TUSHARS | 100K in Utah's Hidden Range - 2025 Full Film | Aravaipa Originals
Aravaipa Running•2025
Tushars Mountain Runs - A Hidden Range of 12,000 Foot Peaks
Tushars Mountain Runs - A Hidden Range of 12,000 Foot Peaks
Aravaipa Running•2018

Race Reports

2019 Tushars Mountain Runs: Race Report
By Enoch Running Club • 2019

Videos from other Tushars Mountain Runs events

Tushar Mountain Runs 70K (75K) 2023
Tushar Mountain Runs 70K (75K) 2023
Tushars Mountain Runs 70K
Just Another Runner•2023

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Register•August 01, 2026