World Record Progression
This list is a chronological progression of record times for the half marathon. World records in the half marathon are now ratified by the International Association of Athletics Federations, the international governing body for the sport of athletics. The official IAAF world record for men is 58:23, set by Zersenay Tadese of Eritrea on March 21, 2010, in Lisbon, Portugal. The official IAAF world record for women is 1:05:50, set by Mary Keitany of Kenya on February 18, 2011, in Ras Al Khaimah, United Arab Emirates.
Key:
Listed by the International Association of Athletics Federations as a world best prior to official acceptance
Ratified by the International Association of Athletics Federations as a world best (since January 1, 2003) or world record (since January 1, 2004)
Recognized by the Association of Road Racing Statisticians
a Noted by the International Association of Athletics Federations as set on uncertified or aided course which does not fulfill the criteria specified in IAAF Rule 260.28.b or 260.28.c
+ Noted by the International Association of Athletics Federations as set en route to longer distances
Read more about this topic: Half Marathon
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