Cambridge Half Marathon + 5K

Lace up for an unforgettable journey through one of America's most historic and vibrant cities at the Cambridge Half Marathon + 5K, set for November 1, 2026, in Cambridge, MA. This USATF-certified 13.1-mile course is renowned for its fast and flat profile, making it a prime opportunity for personal bests. Runners will trace a scenic route along Memorial Drive, offering captivating views of the Charles River and a unique blend of urban landscapes, tree-lined paths, and waterfront scenery. The course highlights include iconic landmarks such as MIT, the John W. Weeks Footbridge, Harvard Stadium, and the bustling Harvard Square, immersing participants in the city's rich academic and cultural atmosphere.

The race boasts a reputation for excellent organization and a lively atmosphere, with enthusiastic spectators lining the course and live music adding to the electric energy. Runners will find ample support with five water stops strategically placed throughout the course, offering water and Gatorade at key intervals, along with on-course toilets. The start and finish lines are conveniently located at CambridgeSide in East Cambridge, ensuring a smooth race day experience. Typical race day conditions in early November feature comfortable highs around 57°F and lows around 43°F, with only a 15% chance of precipitation, providing ideal running weather.

Beyond the challenging yet rewarding course, the Cambridge Half Marathon is distinguished by its commitment to the local community, supporting various charities including Cambridge Camping and the City of Cambridge Scholarship Fund. Whether you're chasing a new record or simply soaking in the incredible sights and supportive spirit, this half marathon promises a memorable and inspiring tour of Cambridge.