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.
Last Call 5K, 10K, and 1/2 Marathon is a marathon running event held in Waukesha, WI on Dec 6, 2026. It is a Boston Marathon qualifier. The course has a hilly profile.
Trehko tracks registration status, entry fees, and deadlines for Last Call 5K, 10K, and 1/2 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: