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In the Press

Denver Colfax Marathon joins with Cigna as new title sponsor

Read on 9News about Denver Colfax Marathon’s new Title Sponsor

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

Be a part of Marathon Weekend.  May 19-21, 2023

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 Cup Relay
    • Government Cup Relay

Register