The Hong Kong Four Trails Ultra Challenge, a grueling 298-kilometer race, is the focus of the film 'Four Trails'. Runners navigate four major trails, facing diverse challenges from heat to technicality.

Andre Blumberg, a local ultrarunner, created the challenge in 2012. The race has since gained cult status, with only 38 finishers as of 2026. The film captures the 2021 edition, highlighting the race's difficulty. Read more trail coverage.

Jacky Leung became the first to break the 50-hour mark, while Nikki Han achieved a sub-60-hour finish for the second time. The film also follows 'survivors' like Will Hayward, showcasing their grit and determination. Related: NYC Marathon: Tips to Avoid Getting Peed On and Other Advice.

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