His personal best was 2:15.28 hours, achieved in 1995.

His personal best time is 2:15:14 hours, achieved in 1992.

His personal best time is 2:14:50 hours, achieved in 2001.

This is the highest amount of flying hours currently achieved by any test pilot.

His personal best time is 2:14:30 hours, achieved at the 2007 Pyongyang Marathon.

Her personal best time is 2:26:02 hours, achieved at the 2007 Pyongyang Marathon.

Her personal best time is 2:28:34 hours, achieved at the 2009 Pyongyang Marathon.

Her personal best time is 2:27:22 hours, achieved at the 2006 Pyongyang Marathon.

His personal best time is 2:15:29 hours, achieved in 2003.

His personal best time was 2:59.25 hours, achieved in 1912.