Samuel Kiplimo Kosgei (January 20, 1986 – May 26, 2023) was a Kenyan

long-distance runner Long-distance running, or endurance running, is a form of continuous running over distances of at least . Physiologically, it is largely Aerobic exercise, aerobic in nature and requires stamina as well as mental strength. Within endurance ru ...

who specializes in

road running Road running is the sport of running on a measured course over an established road. This differs from track and field on a regular track and cross country running over natural terrain. These events are usually classified as long-distance ru ...

competitions. One of his first international competitions was the Outer Banks

Half Marathon A half marathon is a road running event of —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 shortcu ...

in 2007, where he finished first in 1:02:34. The following year he ran at the 2008 World's Best 10K in

Puerto Rico ; abbreviated PR), officially the Commonwealth of Puerto Rico, is a Government of Puerto Rico, self-governing Caribbean Geography of Puerto Rico, archipelago and island organized as an Territories of the United States, unincorporated territo ...

where he recorded a time of 28:13 for sixth place. He finished second at the Reims Marathon later that year. He returned to Puerto Rico in 2009 and improved upon his past performance, running a personal best of 27:49 for fourth place behind

Wilson Kipsang Wilson Kipsang Kiprotich (born 15 March 1982) is a Kenyan professional athlete who specialises in long-distance running, competing in events ranging from 10 km to the marathon. He was the bronze medallist in the marathon at the 2012 Summer O ...

. Kosgei greatly improved his half marathon best at the Berlin Half Marathon, running 59:36 and finished just two seconds behind the winner Bernard Kipyego. Shortly after, he took part in the London 10,000 and took second place behind

Mo Farah Sir Mohamed Muktar Jama Farah (born Hussein Abdi Kahin; 23 March 1983) is a Somali-British former long-distance runner. Considered one of the greatest runners of all time, his ten global championship gold medals (four Olympic and six World tit ...

. He was given the task of

pacemaker A pacemaker, also known as an artificial cardiac pacemaker, is an implanted medical device that generates electrical pulses delivered by electrodes to one or more of the chambers of the heart. Each pulse causes the targeted chamber(s) to co ...

at the 2009

Berlin Marathon The Berlin Marathon (, ) is a marathon event held annually on the streets of Berlin, Germany on the last weekend of September. Held annually since 1974, the event includes multiple races over the marathon distance of , including elite level road r ...

later that year and he led

Haile Gebrselassie Haile Gebrselassie (; born 18 April 1973) is an Ethiopian former Long-distance running, long-distance track running, track, road running athlete, and businessman. He won two Olympic gold medals and four World Athletics Championships, World Cha ...

up to the 32 km mark. He started 2010 at the

Lisbon Half Marathon EDP Lisbon Half Marathon is an annual international half marathon competition which is contested every March in Lisbon, Portugal. It carries IAAF Gold Label Road Race status. The men's course record of 57:31 was set by Jacob Kiplimo in 2021, which ...

but his time of 1:01:57 was only enough for ninth and some distance off the winner Zersenay Tadese, who set a world record. At the BIG 25 Berlin race in May, he established himself in elite road running by winning in a

world record A world record is usually the best global and most important performance that is ever recorded and officially verified in a specific skill, sport, or other kind of activity. The book ''Guinness World Records'' and other world records organizatio ...

time for the 25K – his mark of 1:11:50 knocked almost a full minute off Paul Malakwen Kosgei's former world best. Mary Keitany also set a world record in the women's section, making it the first time that two 25K world records had been set at the same race. He won the Košice Peace Marathon in 2015.

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* {{DEFAULTSORT:Kosgei, Samuel Kiplimo 1986 births 2023 deaths Combat medics Kenyan male long-distance runners Kenyan male marathon runners Deaths of competitors in athletics 21st-century Kenyan sportsmen