Spearfish Canyon Half Marathon & 5K Run/Walk 2026

The Spearfish Canyon Half Marathon & 5K Run/Walk marks its 40th anniversary, a cherished community event. Last year drew participants from 33 states and Poland, setting the stage for another memorable gathering. This is your opportunity to run or walk for the CASA cause, supporting a vital community charity within the Spearfish Canyon area. Expect a welcoming event that previously brought hundreds of runners together, making it a great day out for a good purpose.