2021 Colfax MarathonOctober 16-17, 2021

Denver, Colorado

Test your strength. Push your limits. FIGHT ALS. Grab your friends and join us for this opportunity to be a part of Team Challenge ALS as we challenge ALS at the highest level.

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2021 Colfax Marathon

Welcome to The ALS Association Rocky Mountain Chapter -

a Charity Partner for the 2021 Colfax Marathon!



More Information to Come on the Schedule of Races for Colfax Marathon

Through this website you can work towards your fundraising goal as a runner. If you have already registered for the Colfax Marathon (or one of the other events listed below), you can get started on your personal fundraising page.  

If you deferred your 2020 registration due to COVID, then you are already registered with Colfax for the 2021 race!  Please still register on this Team Challenge page as well!

If you did not register with the Colfax Marathon yet, please visit their website and choose The ALS Association Rocky Mountain Chapter as your Charity Partner. With any other questions please contact Nicole Hebert.

2021 Colfax Marathon

Welcome to The ALS Association Rocky Mountain Chapter -

a Charity Partner for the 2021 Colfax Marathon!



More Information to Come on the Schedule of Races for Colfax Marathon

Through this website you can work towards your fundraising goal as a runner. If you have already registered for the Colfax Marathon (or one of the other events listed below), you can get started on your personal fundraising page.  

If you deferred your 2020 registration due to COVID, then you are already registered with Colfax for the 2021 race!  Please still register on this Team Challenge page as well!

If you did not register with the Colfax Marathon yet, please visit their website and choose The ALS Association Rocky Mountain Chapter as your Charity Partner. With any other questions please contact Nicole Hebert.