The half-marathon is a running event which covers a distance equal to 13.1 miles (21.0975 kilometers).  It is usually run on roads in conjunction with a full-marathon and often covers parts of the same course.   Samuel Wanjiru (KEN) holds the fastest world time for a male in the half-marathon of 58:33, set on March 17, 2007, in The Hague, The Netherlands.  Lornah Kiplagat (NED) holds the fastest world time for a female in the half-marathon of 1:06:25, set on October 14, 2007, in Udine, Italy.

Name	Date	Clock	Age-Adj	Dist	Comment ...
"Run Only" Category (1977-1995)
Nike/OTC 25K	09/11/88	1:58	---	25Km	Retired from half-marathons
Nike/OTC 25K	09/13/87	1:50	---	25Km
Bohemia Mining Days	07/18/87	1:33	1:25	Half
Nike/OTC 25K	09/07/86	1:54	---	25Km
Bohemia Mining Days	07/19/86	1:41	1:34	Half
Bohemia Mining Days	07/20/85	1:37	1:31	Half
Bohemia Mining Days	07/21/84	1:31	1:26	Half
Bohemia Mining Days	07/13/83	1:36	1:31	Half
Bohemia Mining Days	07/17/82	1:25	1:22	Half	LIFETIME BEST (1)
Ultra Oregon 30K	01/30/82	2:13	---	30Km
Bohemia Mining Days	07/18/81	1:26	1:23	Half	LIFETIME BEST (2)
Nike/OTC Half	07/00/81	1:30	1:27	Half
Ultra Oregon 30K	01/31/81	2:12	---	30Km
Governor's Trophy Run	01/11/81	1:31	1:29	Half
Bohemia Mining Days	07/19/80	1:27	1:25	Half
Santiam Half	02/16/80	1:31	1:29	Half
Mid-Valley Runners 30K	01/26/80	2:15	---	30Km
Governor's Trophy Run	01/13/80	1:32	1:31	Half
Bohemia Mining Days	07/21/79	1:34	1:33	Half
Philomath Frolic	07/09/79	1:46	1:44	Half
Governor's Trophy Run	01/13/79	1:37	1:36	Half
Bohemia Mining Days	07/15/78	1:38	1:37	Half
Pear Blossom	04/08/78	1:41	1:41	Half
Bohemia Mining Days	07/16/77	1:52	1:51	Half

PR = Personal Record

HDBL = 2 in 2 Days

HBTB = 2 in 8 Days

FHDBL = Full + Half in 2 Days