As allegations are published claiming the London Marathon has been won seven times in recent years by athletes with questionable blood test results, the head of UK Anti-Doping, Nicole Sapstead, says she is confident about the UK's testing regime.
As allegations are published claiming the London Marathon has been won seven times in recent years by athletes with questionable blood test results, the head of UK Anti-Doping, Nicole Sapstead, says she is confident about the UK's testing regime.