: MacKenzie emphasizes high-intensity interval training (HIIT) and strength work over long, slow distance (LSD) training to improve both speed and aerobic base.
: Devotes specific sections to the "broken down athlete," teaching mobility exercises—often citing Kelly Starrett's Movement and Mobility Method—to repair and prevent common overuse injuries. Key Content & Resources Power Speed ENDURANCE: A Skill-Based Approach t...
: Includes structured 8- to 12-week programs for various race distances, from 5Ks to ultramarathons, suitable for different skill levels. Purchasing Options The book is available from several major retailers: from 5Ks to ultramarathons