Ready to race? Register directly on the official race website — opens in a new tab.
Register →Save this race to your wishlist, set a registration reminder, and build a full training plan on Trehko.
23rd Annual Groom Creek Classic: 1/2 Marathon, 10k, 5k Run is a marathon running event held in Prescott, AZ on Sep 19, 2026. It is a Boston Marathon qualifier. The course has a hilly profile.
Trehko tracks registration status, entry fees, and deadlines for 23rd Annual Groom Creek Classic: 1/2 Marathon, 10k, 5k Run 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: