The 2025 event has concluded.

Hardrock 100

Silverton, CO, USA • July 11, 2025
TopDescriptionCourseCommunity

Subscribe

Get updates on the Hardrock 100 race forecast and be the first to know if the forecast shifts.

Text Updates

Maximum one update per day. Standard messaging rates apply. Currently only supports USA, UK, and Canada.

Phone Number

Email Updates

By submitting your email you agree to receive weather forecasts and racecast.io updates.

clear-day Clear conditions throughout the day.

Catch up on your reading on the run with Audible Plus. Start your free trial..When you buy through our links, we may earn a commission.

Area Map

Course Maps

FAQ

Ask a Question about the Hardrock 100

Racecast Concierge (free during beta)

Ask a question about the Hardrock 100 and we'll do the hard part and find the answer for you within 48 hours.

By using Racecast Concierge, you agree to receive email alerts pertaining to the Hardrock 100 and general racecast.io updates.

When is the 2025 Hardrock 100?

The 2025 Hardrock 100 will be held on Friday July 11, 2025.

What is the time limit for the Hardrock 100?

The time limit for the Hardrock 100 is 48 hours.

Community

You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR

Historical Weather & Results

RunScore
Run Score: 8
Temp
62°F
Min/Max
54°/80°F
Dew
43°F
Days of Rain
8/23
Wind
4mph
Tap a row for details.
YearLow / HighRain

Hardrock 100 2024 Weather History

Clear conditions throughout the day.

2024
clear-day
57°/ 83°-
Run Score: 8

Hardrock 100 2023 Weather History

Clear conditions throughout the day.

2023
partly-cloudy-day
54°/ 81°-
Run Score: 8

Hardrock 100 2022 Weather History

Partly cloudy throughout the day with late afternoon rain.

2022
cloudy
57°/ 77°Light
Run Score: 8

Hardrock 100 2021 Weather History

Partly cloudy throughout the day with afternoon rain.

2021
clear-night
53°/ 75°Light
Run Score: 8

Hardrock 100 2016 Weather History

Clear conditions throughout the day.

2016
clear-night
53°/ 80°-
Run Score: 8

Hardrock 100 2015 Weather History

Partly cloudy throughout the day with rain.

2015
clear-day
46°/ 66°Light
Run Score: 8

Hardrock 100 2014 Weather History

Partly cloudy throughout the day with rain.

2014
clear-day
58°/ 77°Light
Run Score: 8

Hardrock 100 2013 Weather History

Becoming cloudy in the afternoon with rain.

2013
clear-day
55°/ 73°Light
Run Score: 8

Hardrock 100 2012 Weather History

Becoming cloudy in the afternoon with rain.

2012
clear-day
55°/ 76°Light
Run Score: 8

Hardrock 100 2011 Weather History

Partly cloudy throughout the day with rain.

2011
partly-cloudy-day
55°/ 78°Light
Run Score: 8

Hardrock 100 2010 Weather History

Becoming cloudy in the afternoon with early morning rain.

2010
clear-day
52°/ 74°-
Run Score: 8

Hardrock 100 2009 Weather History

Clear conditions throughout the day with late afternoon rain.

2009
clear-day
57°/ 90°Light
Run Score: 7

Hardrock 100 2008 Weather History

Becoming cloudy in the afternoon.

2008
clear-day
56°/ 78°-
Run Score: 8

Hardrock 100 2007 Weather History

Clear conditions throughout the day.

2007
clear-night
57°/ 83°-
Run Score: 8

Hardrock 100 2006 Weather History

Clear conditions throughout the day.

2006
clear-day
52°/ 83°-
Run Score: 8

Hardrock 100 2005 Weather History

Clear conditions throughout the day.

2005
clear-day
46°/ 91°-
Run Score: 8

Hardrock 100 2004 Weather History

Becoming cloudy in the afternoon.

2004
clear-day
48°/ 75°-
Run Score: 8

Hardrock 100 2003 Weather History

Clear conditions throughout the day.

2003
clear-day
59°/ 93°-
Run Score: 7

Hardrock 100 2001 Weather History

Clearing in the afternoon.

2001
clear-day
61°/ 86°-
Run Score: 8

Hardrock 100 2000 Weather History

Becoming cloudy in the afternoon.

2000
clear-day
61°/ 88°-
Run Score: 8

Hardrock 100 1999 Weather History

Becoming cloudy in the afternoon.

1999
partly-cloudy-day
56°/ 77°-
Run Score: 8

Hardrock 100 1998 Weather History

Becoming cloudy in the afternoon.

1998
clear-day
56°/ 83°-
Run Score: 8

Hardrock 100 1997 Weather History

Partly cloudy throughout the day.

1997
partly-cloudy-day
48°/ 83°-
Run Score: 8
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR