Athletics
Super Shoes, Fast Tracks and the Marathon’s New Normal
Times that would have won major marathons a decade ago now miss the podium. We separate what the foam did from what better fuelling and pacing did.
Athletics
How Altitude Camps Became Every Distance Runner’s Second Home
Thin air used to be a specialist's secret. Now whole training groups spend a third of the year above 2,000 metres. Here is what it does, and what it costs.