Stop Going to Fitness Classes, Jake Gyllenhaal's Personal Trainer Says

SoulCycle – exercise therapy cult – set for UK debut, Fitness

Jake Gyllenhaal's trainer reveals his jaw-dropping fitness transformation for upcoming movie 'Road House

Why did Jake Gyllenhaal not take a pause between days to rest his muscle for regrowth? - Quora

Jake Gyllenhaal Taught Us Boxing on 'Southpaw' Set

Getting fit? Here's some crucial gym fashion dos and don'ts

Jake Gyllenhaal and Heartbreak Hill Running Company Partner for New Sportswear Line to Benefit Spaulding Rehabilitation

Barry's Bootcamp: the sweat shop

Jake Gyllenhaal has the best body in Hollywood. A celebrity trainer says his fitness discipline is unparalleled.

L.A. Fitness Community Goes Virtual After Coronavirus Gym Ban – The Hollywood Reporter