Ben Ruthe: Sam Ruthe's father on his son becoming the youngest in history to break the four-minute mile

Kiwi middle-distance prodigy Sam Ruthe has made history. The 15-year-old is the youngest person to break the four-minute mile barrier, and the 49th New Zealander to do so. His dad, Ben, is also an accomplished middle-distance runner and he joined Piney to discuss his son's journey “I would have thought that this was not something that was possible for anybody on the planet.” LISTEN ABOVESee omnystudio.com/listener for privacy information.