Bart Yasso is Chief Running Officer for Runner's World and one of the most beloved figures in running. Unofficially called the Mayor of Running, he has been with Runner's World since 1987 and is their public face at races in the US and abroad. He resides in Emmaus, PA. Erin Strout is a freelance writer and contributing editor at Runner's World, where she covered track and field at the Rio Olympics for RW Newswire. A former senior editor at Running Times, she lives in Flagstaff, AZ.