Tunnel Ultra: The mind-bending 200-mile ultra-marathon in the dark - BBC Sport

One runner was chased by monsters. Another went blind. In the darkness, nothing is as simple as it seems.

Tunnel Ultra: The mind-bending 200-mile ultra-marathon in the dark

David Harvey Wins 200-Mile Ultra in Darkness The Tunnel”

Bath 200-mile ultra-marathon in railway tunnel begins

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Combe Down Tunnel - Wikipedia

The Tunnel 200 Mile Ultra Marathon Timelapse Photos of Runners

The Tunnel 200 Mile Ultra Marathon Timelapse Photos of Runners

John Harris on LinkedIn: Timing Monkey :: The Tunnel Ultra 2024

Tunnel vision helps as ultra runners enter dark side

The Tunnel 200 Mile Ultra Marathon Timelapse Photos of Runners

Worthing man to run 360 marathons in 240 days across Africa - BBC News

Tunnel Ultra: The mind-bending 200-mile ultra-marathon in the dark

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Sam Heward on LinkedIn: Running 200 miles in a tunnel - the mind