A tough climb that puts you above 10,000 feet in the hills of New Mexico.
Both runners are at the top of their game.
Both runners own American indoor records.
The teenage runner couldn't hear the train's repeated whistles, because she was wearing earphones and a headband.
A trip to America convinced the New Zeeland runner to give thin-air training a shot.
Source: USATF INDIANAPOLIS – Doug Logan, CEO, USA Track & Field announced today at a press conference in Albuquerque, N.M.,