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A half marathon is a road running event of 21.0975 kilometres (13 miles 192.5 yards)—half the distance of a marathon. [1] 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. [ 2 ]
Negative-splitting is a racing strategy that involves completing the second half of a race faster than the first half. The racer runs slow in the beginning, and gradually runs faster as the race progresses. This is typically seen as a conservative racing strategy, but in distance events, many world records have been set with a slight negative ...
Peter Riegel (January 30, 1935 – May 28, 2018) was an American research engineer who developed a mathematical formula for predicting race times for runners and other athletes given a certain performance at another distance. The formula has been widely adopted on account of its simplicity and predictive accuracy.
[7] [8] The earliest half marathon world record accepted by the Association of Track and Field Statisticians is that of 67:01 minutes run by Englishman Brian Hill-Cottingham in Romford in 1960. [ 9 ] [ 10 ] For women, the earliest ARRS-recognised time is that of American Kathy Gibbons , who finished the distance in 83:56 on 7 March 1971 in ...
Rabbits Abel Kirui, Elijah Keitany [] and Wilson Kigen [] pacing Haile Gebrselassie and Charles Kamathi at the Berlin Marathon 2008. A pacemaker or pacesetter, sometimes informally called a rabbit, [1] is a runner who leads a middle-or long-distance running event for the first section to ensure a high speed and to avoid excessive tactical racing.
Nike announced the race would take place at the Monza Circuit near Monza, Italy, where Kipchoge ran a half marathon personal best of 59:17 during a test event. [9] The course was 2.4 kilometres (1.5 mi) long which meant the run would consist of about 17.5 laps around the course. [10]
Alternate strategies include even splitting (racing at a steady pace) or sit and kick (also known as a sprint finish). Conversely, the act of completing the first half of a race faster than the second half is known as a positive split. [2] The strategy of negative splitting has been documented in competitive running since the early 20th century.
She split a 1:04:16, which marks the fastest women's half marathon ran in the United States and the fifth fastest half marathon of all time. At the 30K mark, she had extended her lead to 2 minutes, however, she had slowed slightly as she was on marathon pace for 2:09:09. She continued to slow through 35K as she held a 2:09:35 marathon pace.