Spring 2027

Spring Marathons in Colorado

5 spring marathons in Colorado from March to May 2027. A typical entry fee is $100. Dates and fees come straight from race registration and refresh every night.

spring marathons

cities

n/a

typical race-day high

$100

typical entry fee

March 2027

22nd Annual Run Through Time Trail Marathon and Half Marathon

Salida, Colorado8:00 AM startTrail

Half Marathon MarathonOther

from $15

May 2027

The Colorado Marathon

Fort Collins, Colorado6:30 AM start

5K 10K Half Marathon Marathon

from $45

Valkyrie Trail Race

Colorado Springs, Colorado7:00 AM startTrail

50K MarathonOtherHalf Marathon

Endure Trail Runs

Divide, Colorado8:00 AM startTrail

MarathonOther

from $60

Denver Colfax Marathon

Denver, Colorado6:00 AM start

Marathon Half MarathonRelay10 Mile5K

Quick answers

When are spring marathons in Colorado?: The season runs March to May. The busiest month is May, with 4 of the 5 races listed here; March has 1.
How much does a spring marathon cost?: Current entry fees in Colorado usually run from $91 to $130, with a typical fee of $100 before processing fees. Most raise prices as race day nears.