In the book Unbreakable Runner, CrossFit Endurance creator Brian MacKenzie shows exercises and drills that will improve your form, meaning better fitness and reduced chance of injury.
In the fall of 2016, MacKenzie’s Power Speed Endurance produced new videos for the exercises listed in the book. These are listed below. You can also see the playlist from Power Speed Endurance on this new YouTube Playlist.
In his new book, Unbreakable Runner, CrossFit Endurance founder Brian MacKenzie tears down old-fashioned run training traditions to reveal the new rules for fast, powerful running.
Unbreakable Runner includes CrossFit-based training programs for the most popular running race distances from 5K to ultra marathon.