RunRace USAColoradoFort Collins › Blue Sky Trail Marathon & Half Marathon

Blue Sky Trail Marathon & Half Marathon

Fort Collins, Colorado · Saturday, October 17, 2026 · 26.7 Miles, 13.8 Miles

Official race page & registration ↗

Blue Sky Trail Marathon & Half Marathon takes place on Saturday, October 17, 2026 in Fort Collins, Colorado. The race offers 2 distances: 26.7 Miles, 13.8 Miles. It is run on trail. For anyone travelling in, Loveland is about 11 miles away and Denver is about 56 miles away.

It is one of 93 races on the Colorado calendar that October. At $90, entry sits above the $35 median for a Colorado marathon.

Date
Saturday, October 17, 2026
Location
Fort Collins, Colorado
Distances
26.7 Miles, 13.8 Miles
Surface
Trail
Entry fee
from $90

Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.

Making a race weekend of it?

Stay near the start line in Fort Collins: check in Oct 16, out Oct 18.

Common questions

When is Blue Sky Trail Marathon & Half Marathon?

Blue Sky Trail Marathon & Half Marathon is scheduled for Saturday, October 17, 2026.

Where is Blue Sky Trail Marathon & Half Marathon held?

Blue Sky Trail Marathon & Half Marathon is held in Fort Collins, Colorado. It is about 11 miles from Loveland and 56 miles from Denver.

What distances does Blue Sky Trail Marathon & Half Marathon offer?

The listed distances are 26.7 Miles, 13.8 Miles.

How much does Blue Sky Trail Marathon & Half Marathon cost?

Entry is listed from $90. Check the official race page for the current price, which usually rises closer to race day.

How do I register for Blue Sky Trail Marathon & Half Marathon?

Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.

More races nearby

See every race on the Colorado calendar, all Fort Collins races, Colorado Marathons, Colorado Half Marathons, or use the Race Finder for maps and filters.