World champion runner Jenny Simpson revealed it was a rare heart condition that threw her into cardiac arrest at a race in June and that she will not return to running.

Aug 20 : American Olympic bronze medallist and former 1500 metres world champion Jenny Simpson has been diagnosed with Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC), a…

The three-time Olympian on what happened after she went into cardiac arrest, the diagnosis doctors eventually gave her and why running is now too dangerous.