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123 inches per hour is about one-eight-thousand-five-hundredth as fast as Noah Ngeny.
In other words, it's 0.0001145 times the speed of Noah Ngeny, and the speed of Noah Ngeny is 8,734 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 1,074,000 inches per hour. According to some reports, Ngeny did not begin running competitively until just three years before setting the record.
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