/** Visit Denver Hotel Script **/ Our Sponsors - Denver Colfax Marathon
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Our Sponsors

Title Sponsor:

 

 

Charity Partners Program Title Sponsor:

 

 

 To see a full list of our sponsors, click here.

Two days. Eight races.
Which one will you run?

Be a part of Marathon Weekend.  May 15-17, 2026

Friday

  • Cigna Denver Colfax Marathon Expo

Saturday

  • Cigna Denver Colfax Marathon Expo
  • Colfax 5K

Sunday

  • Marathon
  • Half Marathon
  • Urban 10 Miler
  • Marathon Relay
    • Open Relay
    • Corporate Relay
    • Government Relay
    • Public School Teachers Relay

Register