US runner reportedly lost pulse in medical incident Organizer thanks EMS and safety professionals Simpson won bronze in 1500m at 2016 Olympics Jenny Simpson, a three-time Olympian and one of the most accomplished American female runners in history, was taken to hospital and is receiving treatment after collapsing at a track event on Tuesday in North Carolina. The organizer of the event, Sir Walter Running, said there had been a “medical incident” involving Simpson while she paced a mile group at