Olympian Jenny Simpson won’t be able to run again after a cardiac event

Olympian Jenny Simpson won't be able to run again after a cardiac event.

CBS NewsThe day Olympic medalist Jenny Simpson’s heart stopped The New York TimesOlympic medalist Simpson: Running chapter over after collapse ESPNFormer 1500m world champion Jenny Simpson steps away from running after cardiac arrest The GuardianFormer CU track star says she can't run due to heart condition 9News