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VIDEO: The Charitable Side of Colfax Marathon

Colorado And Company Featured 5 Time Kaiser Permantente Marathon Runner Jerry Sochor and McGlone Elementary School Teacher and Colfax Marathon Relay Runner Joe Sawaya

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