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 marathon course is 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, and entertainment along the course to keep participants motivated. Aid stations provide hydration and nutrition every half mile. Visit the organization's website for the most recent information.