Friday Fartlek Run: 4 VO2 Max Sets of 4x 45 seconds

Improving your VO2 Max will enable you to run at higher intensities. This is a perfect session for runners and triathletes running events up to Half Marathon in distance. Each week I will be posting the Friday Fartlek Run Sessions that you can … Continue reading Friday Fartlek Run: 4 VO2 Max Sets of 4x 45 seconds