Fitness Business ATN Week in Review: Can Mark Mastrov Bring 24 Fitness Back to Its Glory Days? Josh Liberatore Published: August 21, 2026 Share on Facebook Share on Twitter Share via Email Mark Mastrov(credit: 24 Hour Fitness) A fitness industry legend, Mastrov will now steer 24 Hour Fitness through a big-box gym landscape that’s much different than the one he dominated up… Membership Required This article is for ATN Pro members only. Subscribe Now Already a member? Log in Already a member? Log in here Tags:24 Hour Fitness ATN Pro ATN Weekly Gyms Mark Mastrov
