Colfax Marathon 2025

Colfax Marathon 2025. Create a marathon relay team for more fun! 26.2m, 13.1m, 10m run | 26.2m.


Colfax Marathon 2025

This option will be available when we open reg late summer for 2025. Create a marathon relay team for more fun!

Start And Finish In Denver’s City Park.

It’s the ultimate urban tour of denver with epic sites.

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Join the largest marathon in the u.s!

The Colfax Marathon Start And Finish In Denver's City Park.

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Get A Team Of Five To Run Denver’s Only 26.2 Mile Marathon Relay.

This option will be available when we open reg late summer for 2025.

Join The Largest Marathon In The U.s!

Start and finish in denver’s city park.

As In Previous Years, The Application Will Be A Mix Of Guaranteed And Non.