By Kathleen "Katniss" Callahan Now that the dust has settled (or mud), I wanted to share some details of our Chicago Spartan adventure with the [...]

By Kathleen Callahan Dear 110 Fitness Community, Hello!  My name is Kathleen Callahan, but I do answer to Kat, Katniss (my boxing name), KitKat... I [...]

By Mary "The Overachiever" O'Donnell When I first started as a boxer at Rock Steady Boxing South Shore, I was very tentative and cautious.  I [...]