Home » North America » United States » Blue Sky Marathon & Half @ Blue Sky Trailhead, South Bay, Fort Collins, Colorado, United States on 18 October 2025
Blue Sky Marathon & Half @ Blue Sky Trailhead, South Bay, Fort Collins, Colorado, United States on 18 October 2025
Race Info & Description
Race Information:
- Event Name: Blue Sky Marathon & Half
- Distance (KMs): 43, 22
- Distance (Miles): 26.7, 13.4
- Date: 18 October 2025
- Start Time: 07:00 am
- Venue: Blue Sky Trailhead / South Bay
- Organised By: Gnar Runners
- Race Website: Click Here.
Race Facilities
- Has Toilets? Yes
- Has Changing Facilities? Yes
- Has Water Stations? Yes - Multiple Water Stations
- Has Prizes / Awards? Yes - Has Awards or Prizes
Race Description
Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the Blue Sky courses take you on a north-south tour of the easternmost hogbacks of Northern Colorado’s Front Range mountains. With a moderate amount of elevation gain and loss and a variety of terrain, the route offers a little bit of something for everyone. It is designed to appeal to both veteran trail runners and those looking to experience their first trail racing adventure. The generous cut-offs should ensure a successful day for everyone.
The course is 100% dirt and 90% sweet Colorado singletrack. The terrain ranges in difficulty from smooth dirt trail to technical rock gardens. A small portion of the route is on dirt road (no motor vehicle access) and gravel trail, with the meat of the running done on the beautiful and distinctive redstone hardpack of the Blue Sky Trail.
After the race, kick back and enjoy the BBQ, awards and generous sponsor giveaways.
Race Venue and Map
Click here for a map of the Start Line
Race Location:
- Venue: Blue Sky Trailhead / South Bay
- Town/City: Fort Collins
- State/County: Colorado
- Country: United States
- Postcode / Google Map Co-ordinates: 80526
- How to Find Start Line: Marathon - Blue Sky Trailhead; Half Marathon - South Bay
- Nearest Parking: Marathon - Inlet Bay; Half Marathon - South Bay
Get Directions to this Race:
Race Entry
Race Entry
- Entry Fee: $90-130
- Enter on Day: Yes
- Online Entry:
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- Postal Entry: No
- Closing Date: 19 October 2025
- Entry Limit: 600
- Entry Contact / Race Secretary: racedirector@gnarrunners.com
Race Accommodation
Find Accommodation Near Blue Sky Marathon & Half
Use this map to find hotels and airbnb accommodation near this race location.
Race Comments & Questions
Your Race Comments, Questions and Reviews
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Race Results
Race Results
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