Happening Next

Castle Rock Marathons Events

Marathons Events Happening Next in Castle Rock, CO

First Fridays free concert and 5K: Six Million Dollar Band

 Festival Park ... Castle Rock 7 Aug 2026
MUSIC

First Fridays free concert and 5K: That Arena Rock Show

 Festival Park ... Castle Rock 3 Jul 2026
MUSIC

6th Annual July 4th ROCK - IT RUN

500 Fairgrounds Rd 4 Jul 2026
MARATHONS

Kingpin Posse - July 4th Douglas County Fairgrounds

Douglas County Fairgrounds 4 Jul 2026
FOURTH-OF-JULY