This Lunar New Year a very select group of trail runners try and run Hong Kong's MacLehose, Wilson, Hong Kong and Lantau trails with no breaks and no support - a total of 298kilometres, including hill climbs equivalent to the height of Mount Everest.

SCMP sports reporter Mark Agnew interviews runner Hyun Chang Chung about his motivation, his preparation and what the experience is like as he plans to return for his second Four Trails ultramarathon. #scmppodcasts

(Photo courtesy: Vincent Ypersiel/Lantau Buffaloes)

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