Run Rabbit Run

September 18 & 19, 2015
Steamboat Springs, CO
50 & 100 Mile Endurance Races

Are you a Tortoise or a Hare?

Find out in our FAQs.

Beautiful Bunny Hops

Through the amazing autumn foliage of Routt National Forest

Elevating Scenery

100 mile elevation gain/loss = 20,191 ft
50 mile elevation gain/loss = 9,031 ft
Average elevation = approx. 9,000 ft

Race Information

4th Annual Run Rabbit Run 100 Mile Race
Friday, September 18, 2015
Limited to 300 runners – Hares and Tortoises
Tortoises: 8:00 AM start (36 hr cutoff / 8 PM)
Hares: Noon start (30 hr cutoff / 6 PM)

9th Annual Run Rabbit Run 50 Mile Race
Saturday, September 19, 2015
6:00 AM start
Limited to 250 runners. 15 hour cutoff.

Registration Information

Our 100 mile run is now full. Thanks, Bunnies and Turtles! There are still spots for the 50 miler. You can get your name on the 100 mile wait list through Ultrasignup.com linked on the registration page. Your credit card will not be charged unless you accept entry.  We have also reserved a number of spots for a few very fast 100 mile Wabbits.  If you think you might be one of them and want to run, send us an email for more information.

Race entry fees are:
100 Miler:  $255, before May 1, 2015; $295, May 1 and after.
50 Miler: $150, before May 1, 2015, $175, May 1 and after.

No refunds or transfers.  We will offer a partial deferred entry into the 2016 race if you withdraw prior to August 15, 2015. Please see the registration page for details.

If you have a credit for 2015, please see the registration page for details.

Prize Money & Awards

Our Bunny Money Meter is now at $50,000 – $12,000 guaranteed for the 100 mile winners! We’re looking to go higher. Much higher! We offer the highest purse of any trail ultra marathon in the world!

Predict Top Male/Female Hare and Top Male/Female 50 Miler and win $500!

Look here for details.

General Information

  • Time Limits
    The 50 miler has a 15 hour time limit, so some runners should be prepared to run in the dark and you will need to carry a flashlight. The 100 miler has a 36 hour time limit (30 hours if you’re a Hare)....
  • Tortoise vs. Hare
    You’re a Hare if you are running for the 100 Mile prize money, can run without pacers and can finish in the 30 hour time limit. Otherwise you’re a Tortoise....
  • Runners Beware
    These are not beginner’s runs. The uphills and downhills are fairly steep. You’ll spend a lot of time at an altitude of nearly two miles. There may be snow, rain, sleet, wind, or then again, it may be hot. Please do not try to run this course if you’re not completely prepared....
  • Weather
    The average high in Steamboat on September 18th is 70 degrees. The average low is 34. Temps will be lower at higher elevations. Sunrise is approximately 6:51 AM and sunset is 7:10 PM. Civil twilight begins 6:23 AM and ends at 7:38 PM. There will be approximately a one-quarter moon....