Słownik angielskiego
His personal best for the 100 metres was 9.91 seconds, set in 1991.
His personal best for the event is 49.29 seconds, set in 2007.
His 100 metres personal best is a run of 10.54 seconds set in 1964.
His personal best for the event is 49.22 seconds, set in 2012.
Her time was 25.50 seconds, set in a preliminary heat.
The record time for this event is 2 hours, 31 minutes, 20 seconds set in 2008.
His personal record over 400m is 45.4 seconds, set in 1979.
Her personal best time is 12.94 seconds, set in July 2011.
The record is 3 minutes 2.85 seconds, set by a team from the United States in 1999.
He held the world record for the event for eleven years with his personal best time of 43.29 seconds set in 1988.