Trips to “shape up” once meant plates of cottage cheese, step classes in air-conditioned studios, and maybe a few laps in a heated pool. But now that everyone is doing more extreme workouts at home, like CrossFit and triathlons, the wellness vacation has changed. Enter the far-flung fitness getaway, where the local terrain is your gym and the all-inclusive regimen torches any evidence of vacation excess.

Conde Nast Traveler