Cardio challenge: Dirty 30I am not a fan of cardio for the simple reason that an hour on any machine is enough to drive me crazy. So instead of slow steady-state cardio, I do sprints. In fact, I shaved 45 minutes off my 1/2 marathon time and never ran more than 3 miles in a training session.
Sprinting on a treadmill is a lot of fun, but you have to focus. Forget the television. You need 30 minutes of motivating music and water tip sip on throughout.
Here's how to do it: 1. Warm up on the elliptical for 5 minutes. 2. Jump on a treadmill and put the speed on anywhere between 7-10, depending on fitness level. (Amanda started at 7.5, I am at 9.5) 3. Wait until the treadmill says 0:30 and jump on (grab the handles and jump on running) 4. When the time hits 1:00 that is one, so grab the handles and jump off. 5. Repeat for 30 minutes.