Blue Sky Trail Marathon & Half Marathon
External Event
Distance
13.1–26.2 mi
Pace
All paces
Terrain
Trail
Difficulty
Challenging
About this run
The Blue Sky Trail Marathon and Half Marathon returns to Fort Collins, Colorado, on October 17-18, 2026. This event offers runners the choice between a full marathon (42.2 km) and a half marathon (21.1 km), set against the scenic backdrop of Fort Collins. Participants can anticipate a challenging yet rewarding trail running experience. The specific course details and terrain will be outlined by the organizers, promising an engaging race for all participants. Runners are encouraged to visit the official registration page for the most up-to-date information regarding the course and event specifics. This event is an excellent opportunity for trail runners to test their endurance and enjoy the natural beauty of the Fort Collins area. Whether you are aiming for a personal best or seeking a memorable trail running adventure, the Blue Sky event provides a well-organized race experience.
Who it's for
This event is suitable for trail runners looking for a challenge, with options for both marathon and half marathon distances. It is geared towards those comfortable with trail running environments.
What to expect
- Arrive early to allow ample time for parking and reaching the start line.
- Familiarize yourself with the course profile and elevation changes beforehand.
- Carry hydration and nutrition, especially for the marathon distance, as aid stations may be spaced out on trails.
- Be prepared for variable weather conditions typical of the Colorado Front Range in mid-October.
- Trail running shoes with good grip are recommended.
- Check the official registration page for packet pickup details.
Good to know
- The event takes place in Fort Collins, CO.
- Two distance options are available: Marathon and Half Marathon.
- The race is scheduled for October 17-18, 2026.
Typical conditions
For events around October 2026 in Fort Collins, CO, United States: Typical autumn conditions in this region — conditions can change quickly; confirm race-day guidance on the official page.
How to prepare
Trail events reward time on uneven surfaces and hills. Practice footing and bring the shoes and hydration the organizer recommends — details vary by race.
Find races near youGetting there
This event is listed in Fort Collins, CO, United States. Confirm the exact start venue, parking, and transit options on the official registration page.
Frequently asked questions
What are the distances for the Blue Sky Trail event?+
The event features a Marathon (42.2 km) and a Half Marathon (21.1 km).
Where is the Blue Sky Trail Marathon & Half Marathon held?+
The event takes place in Fort Collins, Colorado, USA.
When is the Blue Sky Trail Marathon & Half Marathon?+
The event is scheduled for October 17-18, 2026.
How do I register for the race?+
Registration details can be found on the official event website: https://gnarrunners.com/blue-sky-marathon/
What is the course like?+
This is a trail running event. Specific course details, including terrain and elevation, should be confirmed on the official registration page.
Are there any cut-off times?+
Information regarding cut-off times is not provided here; please check the official registration page for details.
What should I bring?+
Runners should be prepared for trail conditions and variable weather. Carrying water and nutrition is advised. Check the official site for any specific gear recommendations.
Where can I find more information about the event?+
For the most comprehensive and up-to-date information, please visit the official registration page: https://gnarrunners.com/blue-sky-marathon/
Registration is handled by the official event organizer
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