After 21 Runners Died, China's Ultramarathon Looks Inward - The New York Times
China suspends ultramarathons after death of 21 runners - BBC News
How 21 runners lost their lives in a Chinese ultramarathon - Los Angeles Times
China's ultramarathon tragedy and the survivors threatened for speaking out - BBC Sport
A Somali Sprinter Placed Dead Last in 100-Meter Race. That Could Be You.
Organisers of ultramarathon in which 21 runners died jailed in China, China
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For Ukrainian Runners, a Brutal Race Made Sense When Little Else Did - The New York Times
China's ultramarathon disaster: who were the 21 runners who died in a sudden storm on a mountainside?
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