Boulder Marathon

Boulderthon®, the fastest-growing running series in Colorado, has announced a paramount change to their course for the Oct. 8 event. Runners will now start and finish off the Pearl Street Mall in the heart of Downtown Boulder, an…

Set in the stunning foothills of the Rockies, Boulderthon™ is Boulder’s premier half and full marathons, with a first-ever downtown finish and post-race celebration for an inspiring and unforgettable experience. The race has been…

Who can forget the drama of last year's Boulder Marathon cancellation?  The lack of permits, and lack of refunds, filled the web with news for a good two weeks.  Gone is that race and management team and in its place are two marathons…