How long should a workout be? We break down each type based on your goals (cardio, weights, pilates, etc).

And, here's how to find your sweet spot for timing.
AOL

This May Be Why Your Hour-Long Gym Sessions Aren’t Delivering Better Results

I know I don’t have all day to spend in the gym, and I'm guessing you don't either. Optimizing your workouts so they're efficient and effective is a must. So that begs the question, how long should a ...

5 Simple Moves That Trim Waist Fat Faster Than Hour-Long Workouts After 60

Waist fat after 60: Try 5 simple standing moves from ACE-CPT Patrick Przyborowski to tighten your core in 10–15 min.
KWQC

Bettendorf gym hosts hours-long workout to benefit nonprofit ‘Getting Heroes Home’

BETTENDORF, Iowa (KWQC) - Members of CrossFit Millstone spent the day working out for a good cause. Twelve workouts, every hour, on the hour, all to support a LeClaire nonprofit, Getting Heroes Home.
Yahoo! Sports

The Thai Fighter Conditioning Trick That Will Toughen You Up Fast

Crushing an hour-long workout at 3 a.m., swimming in ice-cold water for extended periods, slashing calories to near-starvation levels—the world’s top athletes stop at nothing to level up. But one ...