A Seattle local is participating in a Guinness World Record today for the world’s deepest marathon. Chris-King Sidney will be ...
Reigning champ and underdog team up to share ultrarunning's top prize.
Climber Jim Morrison and filmmaker Jimmy Chin discussed Morrison's history-making descent of Everest's north side on skis.
Famous Brazilian skateboarder Sandro Dias has set two incredible Guinness World Records in a single run at the age of 50.
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