Mastering the Threshold Run – By Sub 2:14 Marathoner Mark Tucker

The Workout Series The Threshold Run – By Mark Tucker Talking about and completing a ‘threshold run’ can bring a roll of the eyes to some runners who find it a chore. It’s far from glamorous, there are no breaks to look forward to (such as in an interval workout or fartlek) and it can … Continue reading Mastering the Threshold Run – By Sub 2:14 Marathoner Mark Tucker