1. SpeedThe Session: 4 x 40m sprints (with 3 mins recovery), then 4 x 300m sprints (with 6 mins recovery)Tony Minichiello says: "Speed training in heptathlon is crucial as there's an element of it in every event - just as there is in every race
Ennis in the full article. Not a magazine subscriber? Subscribe online now to make a significant saving on the newsstand price. Discover the seven-step plan from Jess' coach Tony Minichiello that'll transform your running.