Jenny Simpson, one of the most accomplished American runners of her generation, reportedly required CPR after suffering a medical emergency during an event.

Olympic bronze medalist and world champion 1,500-meter runner Jenny Simpson collapsed after suffering a medical episode while pacing a mile group at an event in Raleigh, North…

Olympic bronze medalist and world champion 1,500-meter runner Jenny Simpson collapsed after suffering a medical episode while pacing a mile group at an event in Raleigh, North…