As Bryson DeChambeau cranks driver after driver, grunting through impact and berating himself for losing one mile per hour of ball speed, the most abnormal thing here is how far the tees are flying.

Q How do speed sessions benefit me? I’ve tried things like 400m repetitions at 5K pace, but as I never seem to be out of breath at the end of the session, surely they’re not doing me any good? A Many ...