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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