for the Flora London Marathon, and was willing to train harder to get there.The core of his programme was Yasso 800s. Since Underwood needed to run a 3:30 to guarantee a place, he ran his Yasso 800s in 3:30, building up to 10 of them in a single work-out, taking

calls the ‘London bug’. He wanted to achieve a ‘good for your age’ time for the Flora London Marathon, and was willing to train harder to get there.The core of his programme was Yasso 800s. Since Underwood needed to run a 3:30 to guarantee a place, he

college distance runners covering 5K in a 32.2oC heat chamber with and without ice vests to cool their core before their efforts. The "precooled" runners finished 13 seconds faster, which is more than the gap that will separate many gold

.g. your knee)," he says. "When you strengthen the hips - the abductors, adductors and gluteus maximus - you increase your leg stability all the way down to the ankle."Action Plan You don't want to train for bulging muscles. You need just enough core, hip