Run/walk for the CASA Cause.
The 40th Annual Spearfish Canyon Half Marathon & 5K Milestone Run/Walk was held on July 11, 2026. We had a record-breaking year, with 748 registered participants from 37 states and 4 countries. Save the date for next year’s race, scheduled for Saturday, July 10, 2027. Registration will open in January.
The HALF MARATHON is a road race down the beautiful Spearfish Canyon Scenic Byway featuring limestone canyon walls blanketed with coniferous and deciduous trees along Spearfish Creek. Runners begin in Savoy at 7 AM and follow Highway 14A, Spearfish Canyon Scenic Byway, to the Spearfish City Park.
The 5K starts and ends in the Spearfish City Park. Runners follow the road through the campground, connect with the bike path to the canyon parking lot, then head down the scenic byway, reconnect with the bike path, and end in the park.
Lodging Discount for Participants 🏨
Information regarding lodging specials will be available when registration opens in January 2027.
Official Race Timer Provided by: Mangled Momentum – https://www.mangledmomentum.com/ 
