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About RaceIndexOur methodologyData coverageCyclingTriathlon
  • Ultramarathon
  • 161 km
  • Silverton
  • Event dates –
  • Past event

Hardrock Hundred Mile Endurance Run Ultramarathon

This race edition

Race date
Date not confirmed for this distance
Race timezone
Timezone not confirmed
Edition status
Status not confirmed

Entry options

2026 edition

Entry options are not yet confirmed for this edition. Check the organiser before making plans.

net elevation -1 m

View verified GPS mapOfficial event website ↗
Data current as of

Decision summary

Hardrock Hundred Mile Endurance Run Ultramarathon at a glance

Route ascent
9,546 m

Lower than 4% of comparable mapped races

Cut-off average pace
17:53/km

48:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.

Typical conditions
20/100

Historical race-date favourability, not a forecast

Evidence depth
46 verified facts

Stored GPS route

Quick answers

What runners ask first

Hardrock Hundred Mile Endurance Run Ultramarathon route map

raceindex.org has a GPS course file for Hardrock Hundred Mile Endurance Run Ultramarathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.

How hilly is the Hardrock Hundred Mile Endurance Run Ultramarathon?

The Hardrock Hundred Mile Endurance Run Ultramarathon route has 9,546 m of ascent and 9,547 m of descent.

Where does the Hardrock Hundred Mile Endurance Run Ultramarathon route go?

The Hardrock Hundred Mile Endurance Run Ultramarathon route starts at Silverton, Colorado (6:00am start) and finishes at Silverton, Colorado (same as the start). Underfoot, expect mostly mountain trail with some road and cross-country alpine sections above timberline. It passes Handies Peak 14,048 ft (high point), Grant-Swamp Pass, Ouray 7,680 ft (low point), Lake City and Telluride. course direction alternates yearly.

What should runners know on race day for the Hardrock Hundred Mile Endurance Run Ultramarathon?

14.

Race character

Scenery

  • Mountain
  • Forest
  • Lakeside
  • City
  • Countryside
  • Riverside
  • Historic

Atmosphere

  • Wilderness
  • Destination
  • Nighttime

Terrain

  • Trail
  • Mixed
Elevation character
Mountainous
Technicality
Very Technical
Net elevation
0 m

Entry, logistics and records

Records and field

Men's course record
21:33:06 (Ludovic Pommeret)
Women's course record
25:50:23 (Katie Schide)
Typical finish
39:52:11
Average finish
39:52:11
Field cap
147

Entry requirements

Entry status
Past event: The listed edition date has passed.
Cut-off
48 hours
Ballot
Yes
Qualification status
Entry by annual lottery (~3,000 applicants for ~147 places); selected runners must also meet Hardrock qualifying Race standards.
Prior experience
Must have finished one of approximately 30 designated mountainous 100-mile or longer qualifying ultramarathons in the previous 2 years to enter the lottery

Race day logistics

Aid stations
14

Access and course status

Start
Silverton, Colorado (6:00am start)
Finish
Silverton, Colorado (same as the start)

Course facts

Course type
Loop
Surface
Mostly mountain trail with some road and cross Country alpine sections above timberline.
Landmarks
Handies Peak 14,048 ft (high point), Grant-Swamp Pass, Ouray 7,680 ft (low point), Lake City, Telluride, Silverton (start/finish)
Notable features
  • 33,264 ft of cumulative climb (66,528 ft total change)
  • course direction alternates yearly
  • finishers kiss the Hardrock (a ram's-head rock) rather than cross a finish line

How hilly is the Hardrock Hundred Mile Endurance Run Ultramarathon?

35%12%14%7%32%
  • Steep descent 35%
  • Descent 12%
  • Flat 14%
  • Climb 7%
  • Steep climb 32%
Total ascent
9,546 m
Net elevation
−1 m
Longest climb
4,860 m at 21.2%
Gradient mix and ascent are derived from the course geometry under our published normalisation, not taken from organiser marketing.

What are typical race-day conditions?

  • 28°CTypical temperature
  • 24 kphTypical wind
  • 1 mmTypical rainfall
  • 20Favourability /100
Typical conditions for the race date and locality, warmer than the endurance-optimal window. These are climatological norms, not a forecast, and are shared across every distance at this event.

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (3)

Read the full methodology →