Mary Higgins started training with Boulder Underground, in Boulder under Matt Hensley, in the fall of 2018. She has her doctorate and is a 2:55 marathoner.
Read MoreBoulder Underground represents at the 2019 Chicago Marathon
Read MoreMary Higgins started training with Boulder Underground, in Boulder under Matt Hensley, in the fall of 2018. She has her doctorate and is a 2:55 marathoner.
Read MoreBoulder Underground represents at the 2019 Chicago Marathon
Read More