Boulder Marathon 2024 Lok. In addition to the rolling character of the course, you will encounter a boulder field crossing and a very rugged 1 mile trail. You’ll start and finish in the iconic running mecca of downtown boulder, with stunning views of the flatirons throughout the course.
Boulderthon is a boston marathon qualifying (bq), usatf sanctioned event, measured by a level a usatf course measurer, representing the highest level of certification for. You’ll start and finish in the iconic running mecca of downtown boulder, with stunning views of the flatirons throughout the course.