Sifan Hassan and Joshua Cheptegei have established themselves as elite athletes capable of setting world records, but both were quick Wednesday to dismiss criticism of new running shoes that some say are the equivalent of mechanical doping. Both…
Sifan Hassan and Joshua Cheptegei have established themselves as elite athletes capable of setting world records, but both were quick Wednesday to dismiss criticism of new running shoes that some say are the equivalent of mechanical doping. Both…