Boulderthon: Downtown Boulder Marathon & Half
Running is the heartbeat of Boulder — one of the three hallmark recreational activities of the community (along with cycling and hiking, of course).
Together, run the streets & trails of Boulder, and serve as one of the great training grounds for Olympians, world-class athletes, and leisure runners alike. But despite running being hardwired into Boulder’s DNA — there is no signature, city marathon, until now- the first-ever downtown Boulder Marathon & Half Marathon: The Boulderthon.
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