When two runners are running as well as Emily and Anna Donnay, sometimes it’s best to do as little coaching as possible. “I don’t want to mess them up,” said Holly Hansen, the Eden Valley ...

Nothing but a No. 1's frame will do for me. I started, in the early 1980s, with my first idol Bjorn Borg’s orange and black Donnay, a sledgehammer carved out of wood. Under pressure from the ...