[["So far, the fastest anyone has run is about 27\u00bd miles per hour, a speed reached briefly by sprinter Usain Bolt just after the midpoint of his world-record 100-meter dash in 2009.", 23.0], ["So far, the fastest anyone has run is about 27\u00bd miles per hour, a speed reached (briefly) by sprinter Usain Bolt just after the midpoint of his world-record 100-meter dash in 2009.", 3.0]]
how fast is the fastest person run
sports