Trail · 100 Miler

Hardrock 100 Endurance Run


Silverton, CO

Badwater Preferred QualifierHardrock QualifierWSER Qualifier

Hardrock 100 Endurance Run is a trail race of 100 miles (161 km) in Silverton, Colorado. The next edition is on Friday, July 9, 2027. The race gives its climbing as 34,147 ft (10,408 m). It starts at 9,318 ft (2,840 m) above sea level. Its high point is 14,032 ft (4,277 m). The course finishes where it starts. It's a Preferred Qualifying Race for the Badwater 135, a Hardrock 100 qualifier and a Western States 100 qualifier. Entry is by lottery.

There are 5 other upcoming 100-mile races in Colorado. Hardrock 100 Endurance Run climbs about 341 ft a mile (65 m per km), steeper than 95% of the 142 100-mile races listed with their climbing.

99miDistance
34,147ftClimbing
71°Flow 44°FTypical race day

The course

99miMeasured distance
—Aid stations
34,147ftMeasured climb
34,147ftDescent
14,032ftHigh point
7,688ftLow point

Questions about Hardrock 100 Endurance Run

When is Hardrock 100 Endurance Run 2027?

Hardrock 100 Endurance Run 2027 is on Friday, July 9, 2027.

Where is Hardrock 100 Endurance Run?

Hardrock 100 Endurance Run is held in Silverton, Colorado.

How long is Hardrock 100 Endurance Run?

Hardrock 100 Endurance Run is 100 miles (161 km); its course file measures 99 miles.

How much elevation gain does Hardrock 100 Endurance Run have?

Hardrock 100 Endurance Run has 34,147 ft (10,408 m) of elevation gain, as the race states it.

Is Hardrock 100 Endurance Run a Western States qualifier?

Yes. Hardrock 100 Endurance Run is on the Western States 100's list of qualifying races. Check wser.org for the qualifying standard and years.

How do you get into Hardrock 100 Endurance Run?

Entry to Hardrock 100 Endurance Run is by lottery.

What is the weather usually like at Hardrock 100 Endurance Run?

Around Hardrock 100 Endurance Run's date, the day's high is typically about 71°F (22°C) and the low about 44°F (6°C), averaged over recent years.

Where can I see the Hardrock 100 Endurance Run elevation profile and aid station cutoffs?

runfarwhere has Hardrock 100 Endurance Run's course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.

How hilly is Hardrock 100 Endurance Run?

Hardrock 100 Endurance Run climbs about 341 ft a mile (65 m per km), steeper than 95% of the 142 100-mile races listed with their climbing.

What other 100-mile races are there in Colorado?

Other upcoming 100-mile races in Colorado include High Lonesome (July 16, 2027), Ouray 100 Mile Endurance Run (July 16, 2027) and Creede 50/100 (July 24, 2027).

Other races in Colorado

Every race in Colorado

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