Former 1500m world champion Jenny Simpson steps away from running after cardiac arrest
Former 1500m world champion Jenny Simpson says she will not return to running after she collapsed during a track event in June.

TL;DR
- Jenny Simpson, former 1500m world champion, has announced her retirement from running.
- She collapsed due to cardiac arrest during a track event in June, leading to life support.
- Simpson was diagnosed with arrhythmogenic right ventricular cardiomyopathy (ARVC), a condition causing dangerous heart rhythms.
- Due to the diagnosis, it is considered dangerous for her to continue running.
- Despite stepping away from elite running, Simpson remains involved in the sport through her executive role at Fleet Feet.
- She won bronze at the 2016 Olympics and multiple world championship medals.
- Simpson retired from elite running in 2024.