Bound for Boston Marathon - Denver

The Bound for Boston Marathon & Half Marathon in Denver, Colorado, is a unique running event held at Northfield High School featuring a USATF-certified, super flat, and fast 1-mile loop course. Scheduled for August 3, 2025, it offers in-person full and half marathons, as well as virtual race options. The full marathon serves as a Boston Marathon qualifier, ideal for runners aiming to set personal records or qualify for Boston.

The event is designed to be smaller and focused on speed, with chip timing, mile splits, entertainment along the course, and aid stations providing hydration and nutrition. Awards are given across various age groups and categories. Visit the organization's website for the most recent information.