Trail
100 Mile
161 km
9,896m
Start: Aug 9, 03:00 AM
450.00 EUR
Hardrock 100 Endurance Run
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Road runs in United States, Silverton
Distances
About
A 100-mile mountain run through the San Juan Mountains with 33,264 ft of climb and 33,264 ft of descent, staged from Silverton with a finish in Silverton. The course traverses alpine tundra, aspen forests, and historic mining trails.
Catering & aid stations
Multiple aid stations with on-course food and drink; detailed station list available in the course description and 2026 runner packet.
Pacers
Runners may be assigned a pace group (Startwelle) with target times published on the Renntag schedule. Pacers must carry the official tracker and follow run-day instructions; see Runner-Pacer Matchmaking and Renntag materials for expectations.
Results
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Surface mix
- 100% asphalt
Typical weather in Silverton
Monthly averages based on historical data (2000–present).
Jan48°35°
↑ 07:47
↓ 16:55
Feb50°35°
↑ 07:14
↓ 17:39
Mar54°38°
↑ 07:24
↓ 19:18
Apr58°41°
↑ 06:26
↓ 19:57
May65°47°
↑ 05:42
↓ 20:35
Jun72°52°
↑ 05:24
↓ 21:01
Jul82°57°
↑ 05:40
↓ 20:56
Aug83°58°
↑ 06:14
↓ 20:19
Sep75°53°
↑ 06:51
↓ 19:23
Oct63°46°
↑ 07:28
↓ 18:27
Nov52°39°
↑ 07:11
↓ 16:43
Dec47°35°
↑ 07:44
↓ 16:31
Route maps
What's included in entry
- Race-provided GPS tracker (SPOT Gen3) required for all runners
- 14 established aid stations (major towns plus between)
- Safety sweepers, course clearance, and emergency response teams
Prices & signup
- 100 Mile450.00 EUR
FAQ
When is the lottery and when are entrants notified?
The lottery is held the first weekend in December; selected entrants are notified immediately after.
What is the entry fee and refund policy?
Entry fee is $450 plus UltraSignup processing fees. A 50% refund is available if you withdraw before June 1; no refunds after that date.
Is the course open to the public or competitive only?
The course is open to registered runners only; the route is closed and must be followed as marked.
Last updated: Jun 5, 2026, 07:52:14 PM
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