Half marathons across
Denver–Boulder.
Every upcoming half marathons in Denver–Boulder — dates, start lines and registration, with the crews to train with listed right beside them.
November
2 racesJanuary 2027
1 raceMarch 2027
1 raceApril 2027
4 racesPiney Creek Hollow Park, South Tower Road, Centennial, CO 80016, U.S. · AuroraSloth Run 5K/10K/13.1 DENVER/AURORA5K10KHalf MarathonLittletonPlatte River Half-Marathon, Relay & 5k5KHalf MarathonFort CollinsHorsetooth Half Marathon - Presented by Fort Collins ConnexionHalf MarathonDenverDoNot Stop Half Marathon/5K/10K - Denver5K10KHalf MarathonOther distances
May 2027
2 racesJuly 2027
1 raceAugust 2027
1 raceSeptember 2027
1 raceOctober 2027
1 raceRace listings sync daily from RunSignup and Race Roster, and are not individually verified the way RunVibe's club listings are.
Recently run
Mon, Nov 25SENIOR: Unlimited Pass - 01 Month RenewalPassedMon, Nov 10Tuesday Night TrackPassedThu, Jan 1South Suburban Race SeriesPassedThu, Oct 1Segment TraildownPassedTrain with a crew
A start line is easier with people who run your pace all season. All 33 run clubs in Denver–Boulder →