Registration for the next running of Big Cottonwood Half Marathon isn't open yet. Save it on Trehko and we'll remind you the moment it opens.
Get reminded on Trehko →Save this race to your wishlist, set a registration reminder, and build a full training plan on Trehko.
Big Cottonwood Half Marathon is a half marathon running event held in Salt Lake City, UT on Sep 12, 2026. It draws 2,500 competitors. The course features net elevation loss — ideal for time goals.
Trehko tracks registration status, entry fees, and deadlines for Big Cottonwood Half Marathon and thousands of other endurance races. Use the app to set a registration reminder and build a training plan tailored to race day.
Browse by discipline: