Join thousands of runners in one of the world’s most iconic and prestigious marathons. Whether you’re running the full marathon or a half marathon, prepare for an unforgettable journey through the heart of the city. Start training today and make this year your time to race and experience the excitement of a world-class marathon.

Sep 13, 2026
Downtown Boulder to Downtown
Boulder Marathon 2026, "The Boulder Marathon 2026 offers a scenic course through the foothills of the Rocky Mountains, with breathtaking views and a welcoming, outdoor vibe. Known for its perfect weather and active atmosphere, it�s a great race for nature lovers."
From injury prevention to race-day strategies, get all the essential tips and advice you need to crush the Boston Marathon. Check out our expert resources and training guides to make every step count.