In episode 3, Dr. Marc Bubbs talks time-efficient aerobic training and how to integrate HIIT into your routine. Marc shares clips from Dr. Martin Gibala, PhD, world-leader in HIIT research, and Zach Bitter, the world-record holder in the 100 mile ultra-marathon. Regardless if you're trying to get back into exercise, or wondering how to make a bigger impact with your shorter sessions, this episode lays the foundation for you!

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