-Road Consider trading concrete for dirt this autumn. Running on trails reduces your risk of overuse injuries because the surface is more forgiving. “Autumn is a beautiful time of year to enjoy trails,” says Hadfield. Fartlek runs, which randomly alternate faster
race pace. Follow each mile with three minutes’ jogging for recovery. Run for 20 seconds up part of a steep hill at maximum speed. Jog slowly for two minutes to recover. Do a total of five hill sprints.Estimated Burn 466 caloriesMATT CENTROWITZ’S 10K