Friday Fartlek Run: Rick Kattoff’s 40/20 Workouts

This session is great to improve speed for runners over 5km. It is perfect for both runners and triathletes alike. Each week I will be posting the Friday Fartlek Run Sessions that you can do to enhance your running. Fartlek is a Swedish term … Continue reading Friday Fartlek Run: Rick Kattoff’s 40/20 Workouts