Cardio sweat

It’s early evening in the basement of a running store in east London, a nd some of the fastest people in Britain have no idea what they’re doing.

Gifted young runners around the world are rewriting the age-group record books, but what can be done to ensure child stars go on to even brighter things both in and out of their running shoes?

“I’m really used to being underestimated”: Winona Ryder ...