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This list is a chronological progression of record times for the marathon. World records in the marathon are ratified by World Athletics, the international governing body for the sport of athletics.
A half marathon is a road running event of 21.0975 kilometres —half the distance of a marathon. It is common for a half marathon event to be held concurrently with a marathon or a 5K race, using almost the same course with a late start, an early finish or shortcuts. If finisher medals are awarded, the medal or ribbon may differ from those for the full marathon. The half marathon is also known as a 21K, 21.1K, or 13.1 miles, although these values are rounded and not formally correct.
The following tables are an overview of all current national records in the marathon, as compiled by World Athletics and other authoritative sources of road racing statistics.
The world record in the half marathon has been officially recognized since 1 January 2004 by the International Association of Athletics Federations (IAAF), the international governing body for the sport of athletics. A total of five men's world records and six women's world records have been officially ratified since that date. The IAAF officially recognized the fastest times before that date as a "world best" from 1 January 2003 onwards. Before that date, the IAAF did not recognize any road running world records, though the concept of a world record was recognized by other organizations, such as the Association of Road Racing Statisticians (ARRS).
The women's marathon was one of the road events at the 2017 World Championships in Athletics in London. It took place on 6 August 2017 on the streets of London, and consisted of four laps of a roughly 10-kilometre (6.2 mi) course which passed several of London's landmarks. For the first time in World Championships history, the men's and women's marathons took place on the same day. The race was won by Rose Chelimo of Bahrain in 2:27:11, seven seconds ahead of Kenya's Edna Kiplagat in second. Amy Cragg of the United States finished in third, separated from Kiplagat by less than a second.
North Korea competed at the 2017 World Championships in Athletics held in London, Great Britain, from 4–13 August 2017. The country was represented by three athletes, all of them runners taking part in the women's marathon event on 6 August. Kim Hye-gyong finished the highest, ranking 15th, with a season's best of 2:30:29. Jo Un-ok finished 29th and Kim Hye-song did not finish the race.
References
- ↑ "Cao Mojie". IAAF. Retrieved 6 August 2017.
- ↑ "Marathon women". IAAF. Retrieved 6 August 2017.
