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May 17-18, 2025

  • Home
  • All Events
    • 5K on the Runway – Be the First!
    • Colfax Marathon Races
    • Colfax Marathon Awards Evening
    • Colorado Running Hall of Fame
    • Colorado Running & Walking Event Alliance
  • Colfax Races
    • Race Weekend Events
    • Marathon
    • Half Marathon
    • Urban 10 Miler
    • Marathon Relay – Overview
    • > Corporate Marathon Relay
    • > Government Marathon Relay
    • > Public School Marathon Relay
    • > Open Marathon Relay
    • Colfax 5K
    • Register
    • Race Results
  • Runner Info
    • Race Weekend Events
    • 2-Day Mile High Challenge
    • Colfax Double Marathon Challenge
    • FAQ for 2023
    • 5-10-15 Year Loyal Runners
    • Colfax Store
    • 2023 Preferred Hotels
    • Elite Program
    • Athletes with Disabilities
    • Ambassador Program – Our 2022 ambassadors
    • Run for a Nonprofit
  • Charities
    • Run for a Nonprofit
    • Charity Partners Program by Walker & Dunlop
    • Our Charity Partners
    • Schools – Raise or Win Money
    • Charity Partners Login Library
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    • Training Programs
    • Featured Running Clubs
    • Training Tips
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