One runner was chased by monsters. Another went blind. In the darkness, nothing is as simple as it seems.
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The Tunnel 200 Mile Ultra Marathon Timelapse Photos of Runners
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Inspiration - The Ultrarunner.com
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Sam Heward on LinkedIn: Running 200 miles in a tunnel - the mind
The Tunnel 200 Mile Ultra Marathon Timelapse Photos of Runners
Tunnel Ultra: The mind-bending 200-mile ultra-marathon in the dark
