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Calendar of Marathon Races in Colorado

So you've decided to run a marathon. Everyone has his or her own reasons for running a marathon. Some are focused on the competition of the marathon race, while others are looking to challenge themselves in a grueling event. Whatever the reason, finding the right marathon to run is sometimes challenging.

Here you will find a listing of the marathons registered with JogRunRace for Colorado.

Upcoming Marathon races in Colorado

Sat, Feb 23All Out Mardi Crawl 1M, 5K, 10K and Half MarathonLakewood, CO
Sat, Feb 23Snowman StampedeLittletom, CO
Sat, Apr 13All-Out Beat the Heat 1M, 5K, 10K, Half and Full MarathonWestminster, CO
Sat, Apr 13Trail Running FestivalFruita, CO
Mon, Apr 15Horsetooth Half MarathonFort Collins, CO
Mon, May 13All-Out Beat the Heat 1M, 5K, 10K, Half and Full MarathonWestminister, CO
Sat, Jul 132019 Aspen Valley MarathonAspen, CO
Sat, Sep 7Mountain RATSEagle, CO
Sat, Sep 21All-Out Fallfest 1M, 5K, 10K, Half Marathon & MarathonWestminster, CO

Recent Marathon races in Colorado

Mon, Dec 31City Running Tours - Denver Personalized Running ToursDenver, CO

New/Updated Marathon races in Colorado

no races found

Browse Marathon races in Colorado by city

Marathon races in Westminster, CO
November 2, 2013

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November 5, 2013

People often complain that running is not beneficial to them because it is tedious, exhausting, and hard on their bodies. If that's the case, why are so many Americans regularly running and participating in races from the 5k to the marathon? ...

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February 22, 2014

Do you run first thing in the morning? Pounding the pavement as soon as you wake up has its advantages. If you run outdoors, it can be a peaceful exercising in the solitude of the early morning hours. Plus, you get it out of the way before you ...

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February 23, 2014

Are you thinking of taking up jogging but know that you can't run for very long before getting tired and stopping? Well, the first and most important thing to do is to not be ashamed. Everybody has to start somewhere, and anyone who decides to ...

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March 25, 2014

Do you avoid running because it’s bad for your knees and joints? Some people believe if they run to stay fit they'll end up with joint problems and osteoarthritis. Is there any truth to this idea? There's very little evidence that ...

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March 29, 2014

If you want to get into running, the only essential piece of equipment you need is a good pair of shoes, right? But what constitutes a good pair of shoes? If you work in a shoe store, you may be familiar with the way that runners seem to cycle ...

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