Colfax Marathon 2025. Create a marathon relay team for more fun! 26.2m, 13.1m, 10m run | 26.2m.
This option will be available when we open reg late summer for 2025. Create a marathon relay team for more fun!
Colfax Marathon 2025. Create a marathon relay team for more fun! 26.2m, 13.1m, 10m run | 26.2m.
This option will be available when we open reg late summer for 2025. Create a marathon relay team for more fun!
It’s the ultimate urban tour of denver with epic sites.
Join the largest marathon in the u.s!
This option will be available when we open reg late summer for 2025.
Start and finish in denver’s city park.