Bound for Boston Marathon & Half Marathon - Denver 2026

The race.

The Bound for Boston Marathon & Half Marathon in Denver on August 2, 2026, offers a 26.2-mile full marathon and 13.1-mile half marathon on a one-mile loop course around Northfield High School. The full marathon is USATF certified as a Boston Marathon qualifier. Water and electrolyte drinks are available at aid stations, and runners may bring personalized aid supplies. A cheer crew option allows participants to designate supporters for motivation and fuel distribution. All finishers receive race shirts and medals, with awards given in five-year age groups for both distances. The event is capped at 75 participants.