Trainers lead high-intensity interval-training exercises to torch fat and tone muscles

15+ obstacles, such as mud pits and barbed wire, test runners' strength, stamina, and resolve before postrace party

Rooms between 100–105 degrees accompanied by serene woodblock prints helps torch calories

Self-defense courses and fast-paced fitness sessions led by hall-of-fame father and son instructors

Build a tan during a month of unlimited sessions, or tone muscles in 40 weekly classes such as spin, Zumba, and yoga

Practitioner supervising weight-loss plans dole out B12 shots, which can boost energy & metabolism

24-hour gym pairs comprehensive fitness programs with detoxifying footbaths, light therapy, and group classes

Facility grooms golf games with indoor & outdoor features including covered, heated driving range, putting greens & swing-analysis software

One-hour classes combine cardio, strength training & dance for total-body workout set to current music hits

Kids aged 0–13 romp and socialize throughout four weeks of classes and free-play sessions.