Blue Sky Marathon: Additional Info


  • U.T.M.B. Ultra-Trail du Mont-Blanc Qualifying RaceStart: Blue Sky Trailhead, Horsetooth Mountain Park. Fort Collins, Colorado
  • Distance: 26.7 miles with ~3,500' of vertical gain/descent
  • Min/Max Elevation: 5,300'/6,500'
  • Average Elevation: 5,700'
  • Terrain: 22mi dirt singletrack, 3mi rocky singletrack, 2mi dirt road
  • Fauna: Deer, abert squirrel, golden eagle
  • UTMB Points: 1 point
  • Registration Cap: 350
  • Time Allowance: 9 hours
  • Date: October 15, 2022, 7:00am

We hope for close-to-normal conditions on race day, as relates to the COVID-19 pandemic. Current race information reflects a normal year. Details may change as race day approaches, and any changes will be communicated to registered runners well in advance. For reference, here are the 2020 COVID Safety Protocols.


All Marathon runners who finish within the official course cut-off will receive a unique finisher’s award.

The post race awards and raffle will be held at the Blue Sky trailhead finish area.

The Marathon Awards and Raffle will be held at 1:30pm.

1st, 2nd, and 3rd Place Overall Awards for the top male and female finishers.

Age Group Awards for the top 3 male and female in each of the following age groups (overall winners not eligible):

  • Under 30
  • 30 to 39
  • 40 to 49
  • 50 to 59
  • 60 and Over

We will also raffle off additional prizes from our generous sponsors after the race. You must be present (or still on the course) to collect raffle prizes!


Camping is available near the race start at the Horsetooth Reservoir Inlet Bay campground. On race weekend, there should be plenty of open camp spaces. Spots I23 through I26 at the south end of the campground will be the closest to the Blue Sky Trailhead start/finish area.(Campground Map)

There are a multitude of hotels for every budget in Fort Collins, and any within city limits will be no more than a 20-30 minute drive from the start.


2021 Marathon

2020 Marathon

2019 Marathon

2018 Marathon

2017 Marathon

2016 Marathon

2015 Marathon

2014 Marathon

2013 Marathon

2012 Marathon

2011 Half Marathon
2011 Half Marathon Age Group
2011 Marathon
2011 Marathon Age Group

2010 Half Marathon
2010 Half Marathon Age Group
2010 Marathon
2010 Marathon Age Group

2009 50k
2009 Marathon
2009 Half Marathon

2008 Marathon & Half Marathon

Course Records

Male: Jackson Brill Boulder, Colorado 3:10:10 2020
Female: Addie Bracy Longmont, Colorado 3:35:25 2019
Masters Male: Frank Pipp Longmont, Colorado 3:17:22 2018
Masters Female: Anita Ortiz Eagle, Colorado 3:54:11 2014

Oldest/Youngest Finishers

Oldest Male: Juergen Kuhlmey, 78 Fort Lauderdale, Florida 7:57:48 2016
Oldest Female: Carol Young, 69 Houston, Texas 8:32:51 2015
Youngest Male: Noah Kieser, 16 Longmont, Colorado 4:58:34 2017
Youngest Female: Claire Hayhow, 18
Jordyn Milbrath, 18
LaPorte, Colorado
Longmont, Colorado

Photos & Reports

2020 Photos – Jennifer Elle Photography (Towers)
2020 Photos – Ed Delosh (Start/Finish)

2019 Photos – Erin Bibeau (Towers)
2019 Photos – Terry Grenwelge (Mile 9/Finish)

2017 Photos – Erin Bibeau (Hunter Turn, 17.9)
2017 Photos – Terry Grenwelge (Mile 9/Finish)

2016 Photos from Erin Bibeau Photography (Towers Aid & Finish)
2016 Photos from Brad Olwin at Laughing Horse

2015 Photos from Erin Bibeau Photography (Devils Backbone)
2015 Photos from Terry Grenwelge (Indian Summer)
2015 Photos from Cameron Cross (Devil’s Backbone)
2015 Photos from Tena at O Photography: First Climb up Towers, Stout Trail, and the Finish Line

2014 Photos from Erin Bibeau Photography (Horsetooth)
2014 Photos from the Coloradoan

2013 Photos from Erin Bibeau Photography

2012 Photos from Erin Bibeau Photography

2011 Photos from Erin Bibeau Photography

2010 Indian Summer Photos from Erin Bibeau Photography