Ultra Marathons in Colorado 2026 - 2027

16

Ultra Marathons Found In Colorado

The most comprehensive list of Ultra Marathons in and near Colorado in 2026 - 2027. Find your perfect race!

Pine, Colorado

Sawmill Trail Runs

Sat, Dec 5

from $85.80

Lakewood, Colorado

BINGO! Trail Runs

Sat, Jan 9, 2027

from $85.80

Lyons, Colorado

Old Man Winter Bike Rally & Run

Sun, Feb 7, 2027

from $55.00

Crested Butte, Colorado

The Grand Traverse

Sun, Mar 28 – Sep 5, 2027

from $218.30

Bellvue, Colorado

NOCO Urban Ultra & Relay

Sun, Apr 11, 2027

from $80.50

Larkspur, Colorado

Greenland Trail Races

Sat, May 1, 2027

from $39.80

Divide, Colorado

Endure Trail Runs

Sat, May 15, 2027

from $64.60

Estes Park, Colorado

Samson's Revenge

Sat, May 22, 2027

from $121.09

Eaton, Colorado

Weld Your Mettle Running Festival

Sat, Jun 5–6, 2027

from $48.70

Kremmling, Colorado

KowTown Gravel

Sat, Jun 12, 2027

from $91.60

Granby, Colorado

Summits Trail Runs

Sat, Jun 12, 2027

from $64.60

Alma, Colorado

Race in the Clouds - Alma Dirt Festival 2027

Fri, Jun 25–27, 2027

Free–$96.40

Jefferson, Colorado

Silverheels Trail Runs

Fri, Jul 9–10, 2027

from $64.60

Fairplay, Colorado

Sheep Mountain Trail Runs

Sat, Aug 7, 2027

from $85.80

Westcliffe, Colorado

Sangre de Cristo Trail Festival

Sat, Sep 25–26, 2027

from $64.60

Sedalia, Colorado

Indian Creek Trail Runs

Sat, Oct 16, 2027

from $43.40

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