Sentence:  Both have brilliant speed : Mantle was <WSD>timed</WSD> from home plate ( batting left-handed ) to first base in 3.1 seconds , faster than any other major leaguer ; Maris ran the 100 - yard dash in ten seconds in high school and once won a race against Luis Aparicio , the swift , base-stealing shortstop of the White Sox . 
Meaning of the word marked with <WSD> tags:  measure the time or duration of an event or action or the person who performs an action in a certain period of time