After 21 Runners Died, China's Ultramarathon Looks Inward - The New York Times

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How 21 runners lost their lives in a Chinese ultramarathon - Los Angeles Times

21 Runners Die In Extreme Weather In China Cross-Country Race : NPR

ultramarathon – running writing

China's ultramarathon disaster: who were the 21 runners who died in a sudden storm on a mountainside?

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