Source: News.flyfrontier.com

What is Boulderthon? Boulderthon is an annual marathon event held in Boulder, Colorado, known for its scenic routes and challenging terrain. Why is it special? This race stands out due to its breathtaking views of the Rocky Mountains, making it a favorite among runners who crave both a physical challenge and natural beauty. When does it happen? Typically, Boulderthon takes place in October, attracting participants from all over the country. Who can join? Open to runners of all skill levels , from beginners to seasoned marathoners. How long is it? The event features multiple race distances, including a full marathon, half marathon, and shorter fun runs. Why participate? Besides the stunning scenery, runners enjoy a supportive community atmosph

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