BQ

    STATE FOCUS

    Colorado Boston Qualifying Races

    6 total races
    Top BQ rate: Aspen Valley Marathon (10.4%)

    Part of the West region

    Upcoming races

    Next 6 races with dates still ahead of us

    Colorado Marathon

    Fort Collins, CO
    Emerging BQ
    May 3, 2026
    Medium (500 - 1,999)
    50–70°F
    Downhill

    Colfax Marathon

    Denver, CO
    Emerging BQ
    May 17, 2026
    Large (2,000 - 9,999)
    50–70°F
    Rolling Hills

    Steamboat Marathon

    Steamboat Springs, CO
    Emerging BQ
    June 7, 2026
    Small (<500)
    70–85°F
    Downhill

    Aspen Valley Marathon

    Basalt, CO
    Emerging BQ
    July 25, 2026
    Small (<500)
    70–85°F
    Downhill

    Fall Equinox Marathon

    Fort Collins, CO
    Emerging BQ
    September 13, 2026
    Small (<500)
    55–75°F
    Hilly

    Long View Marathon

    Loveland, CO
    Emerging BQ
    October 10, 2026
    Small (<500)
    55–75°F
    Rolling Hills

    All Colorado races

    Every Boston qualifier currently hosted in Colorado

    Colorado Marathon

    Fort Collins, CO
    Emerging BQ
    May 3, 2026
    Medium (500 - 1,999)
    50–70°F
    Downhill

    Colfax Marathon

    Denver, CO
    Emerging BQ
    May 17, 2026
    Large (2,000 - 9,999)
    50–70°F
    Rolling Hills

    Steamboat Marathon

    Steamboat Springs, CO
    Emerging BQ
    June 7, 2026
    Small (<500)
    70–85°F
    Downhill

    Aspen Valley Marathon

    Basalt, CO
    Emerging BQ
    July 25, 2026
    Small (<500)
    70–85°F
    Downhill

    Fall Equinox Marathon

    Fort Collins, CO
    Emerging BQ
    September 13, 2026
    Small (<500)
    55–75°F
    Hilly

    Long View Marathon

    Loveland, CO
    Emerging BQ
    October 10, 2026
    Small (<500)
    55–75°F
    Rolling Hills

    Fast Course Briefing

    Get the monthly drop on the fastest Boston qualifiers.

    We track which courses are trending, how weather looks, and which registration windows are about to close. Subscribe to get one actionable briefing each month—built for runners and race directors alike.

    • Course intel: weather, elevation, and BQ odds for the next 60 days.
    • Deadlines: registration and deferment reminders before they disappear.
    • Spotlight races: two editor-picked events (one downhill, one flat) every issue.

    One email per month. Unsubscribe anytime.