American ultrarunning champion disqualified for competition-illegal shoes

The winner of the USTAF 100 mile road championships Rajpaul Pannu wore shoes 8mm above the legal stack height limit

72-year-old runner receives three-year doping ban for multiple substances

This renowned U.S. masters age-group runner’s urine sample came up positive for four banned substances

American track star Parker Valby wins NCAA 10,000m title in controversial shoes

Valby wore customized Nike Vaporfly Next% 3 track spikes, which are 40 mm high