2018 - 2019 Colorado Marathon Calendar

Browse our Marathon Calendar for races organized in Colorado among 34 races.

34 races

Run Through Time Marathon and Hard Half

Marathon
03/10/2018 - 08:00
North America / USA / Mountain Region / Colorado / Salida
Marathon
Trail Running Solo

Dust Bowl Marathon Series Day 4

Dust Bowl Marathon Series Day 4 Marathon
03/31/2018 - 06:30
North America / USA / Mountain Region / Colorado / Lamar
Marathon
Running

All-Out Beat the Heat 1M, 5K, 10K, Half Marathon & Full Marathon

All-Out Beat the Heat Marathon
04/14/2018 - 07:30
North America / USA / Mountain Region / Colorado / Westminster
Marathon
Running

Desert R.A.T.S. Trail Running Festival

Marathon
04/14/2018 - 07:00
North America / USA / Mountain Region / Colorado / Fruita
Marathon
Desert Trail Running Hilly

Colorado Marathon

Access Health Colorado Marathon
05/06/2018
North America / USA / Mountain Region / Colorado / Fort Collins
Marathon
Boston Qualifier Road Running Solo

Kaiser Permanente Colfax Marathon

Colfax Marathon 26.2
05/20/2018 - 06:00
North America / USA / Mountain Region / Colorado / Denver
Marathon
Boston Qualifier Road Running

REVEL Rockies Marathon & Half Marathon

REVEL Rockies Marathon
06/03/2018
North America / USA / Mountain Region / Colorado / Denver
Marathon
Boston Qualifier Road Running

Steamboat Marathon, Half Marathon and 10K

Steamboat Marathon
06/03/2018 - 07:30
North America / USA / Mountain Region / Colorado / Steamboat Springs
Marathon
Boston Qualifier Road Running Hilly

Runoff Runoff!

Marathon
06/09/2018
North America / USA / Mountain Region / Colorado / Creede
Marathon
Road Running Solo

All-Out Fallfest 1M, 5K,10K, Half & Full Marathon

Marathon
09/22/2018
North America / USA / Mountain Region / Colorado / Westminster
Marathon
Road Running

Mountain RATS

Marathon
09/22/2018 - 07:30
North America / USA / Mountain Region / Colorado / Eagle
Marathon
Mountain Trail Running Mountain

Colorado Springs Marathon

Marathon
09/29/2018 - 07:00
North America / USA / Mountain Region / Colorado / Colorado Springs
Marathon
Road Running
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