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851 meters per hour is about one-thirtieth as fast as Noah Ngeny.
In other words, it's 0.03119 times the speed of Noah Ngeny, and the speed of Noah Ngeny is 32.06 times that amount.
(in Rieti, Italy; 1999) (sprinter; 1978-)
Setting a world record at the Rieti Grand Prix in 1999, Noah Ngeny ran 1,000 m in 2:11.96 for an average speed of 27,280 meters per hour. According to some reports, Ngeny did not begin running competitively until just three years before setting the record.
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