Edith Chewanjel Masai is a Kenyan former long-distance runner who specialised in cross country and track races, then road races in her late career. She represented Kenya at the 2004 Summer Olympics. Her best achievements are three individual gold medals in the short race at the IAAF World Cross Country Championships between 2002 and 2004.
Paul Kibii Tergat is a Kenyan former professional long distance runner. He became the first Kenyan man to set the world record in the marathon in 2003, with a time of 2:04:55, and is regarded as one of the most accomplished long-distance runners of all time. Runnerworld called him the "Most comprehensive runner of all time".
Margaret Okayo is a professional Kenyan marathon runner. She has won four World Marathon Majors with victories in the New York City Marathon, the Boston Marathon and the London Marathon, setting three course records. Okayo's 2003 New York course record of 2:22:31 still stands today, despite the challenge of some of the world’s best distance runners having the benefit of improved shoe technology. She has also won the San Diego Marathon on two occasions.
Catherine Nyambura Ndereba is a retired Kenyan marathon runner. Between 2003 and 2008, she finished in the top two in five successive global championship marathons. Ndereba has twice won the marathon at the World Championships in Athletics and won silver medals at the Summer Olympic Games in 2004 and 2008. She is also a four-time winner of the Boston Marathon and a two-time winner of the Chicago Marathon. It was at the latter in 2001 that she broke the women's marathon world record with a time of 2:18:47.
Evans Rutto is a Kenyan long-distance runner, who specialises in road running events. He made the fastest-ever marathon debut by winning the 2003 Chicago Marathon in a time of 2:05:50. He won the London Marathon and a second title in Chicago the following year.
Eliud Kipchoge is a Kenyan long-distance runner who competes in the marathon and formerly specialized at the 5000 metre distance. Regarded as one of the greatest marathon runners of all time, he is the 2016 and 2020 Olympic marathon champion, and was the world record holder in the marathon with a time of 2:01:09 set at the 2022 Berlin Marathon, until that record was broken by Kelvin Kiptum at the Chicago Marathon on 8 October 2023 with a time of 2:00:35. He has run five of the nine fastest marathons in history.
Francis Kibiwott Larabal is a Kenyan long-distance runner who competes professionally in half marathon and marathon races.
Lornah Kiplagat is a Dutch professional long-distance runner. She was born in Kabiemit, Rift Valley Province, Kenya and came to the Netherlands in 1999. She gained Dutch citizenship in 2003 and has competed for the Netherlands since. She used to run not only road events but also in cross country and track and field.
Benson Masya was a Kenyan long-distance runner and marathon specialist, who competed in the late 1980s and 1990s. He participated at the inaugural IAAF World Half Marathon Championships in 1992 and finished in first place.
Paul Kiprop Kirui is a Kenyan distance and marathon runner. He participated at the IAAF World Half Marathon Championships in 2004 and finished first place. He had participated the World Half Marathon Championships twice before; in 2002 he finished 10th, but the next year he did not finish. His marathon personal best is 2:06:44, set in 2006 Rotterdam Marathon, when he finished 2nd behind compatriot Sammy Korir.
Robert "Mwafrika" Kipkoech Cheruiyot, sometimes known as Omar Ahmed, is a Kenyan marathon runner and is the former record holder and four-time winner of the Boston Marathon.
Hailu Negussie is a marathon runner who was the winner of the 109th Boston Marathon in 2005. He finished with a time of 2:11:45 and became the first Ethiopian to win the Boston Marathon since Abebe Mekonnen won the race in 1989. His personal best for the marathon is 2:08:16.
Salim Kipsang is a Kenyan long-distance runner, who specializes in the 10,000 metres and marathon.
Pamela Chepchumba is an athlete from Kenya. Her best achievements are from cross country running.
Luke Kibet Bowen is a Kenyan long-distance runner who specializes in the marathon. He won the marathon race at the 2007 World Championships.
Patrick Mukutu Ivuti is a Kenyan long distance athlete, who currently resides in Nairobi, Kenya. A two-time silver medallist at the IAAF World Cross Country Championships, he made his marathon debut in 2005 and had his first major victory at the Chicago Marathon in 2007. He had back-to-back wins at the Honolulu Marathon in 2008–2009 and was the 2009 winner of the Prague Marathon.
Michael Kosgei Rotich, or Mike Rotich is a marathon runner from Kenya.
Evans Kiprop Cheruiyot is a Kenyan long-distance runner who competes in the marathon. He started out as a half marathon runner, taking wins in Rotterdam and Nairobi, and won his debut marathon race in Milan in 2007. He won the Chicago Marathon in 2008, running a personal best of 2:06:25 hours.
Ondoro Osoro is a former Kenyan long-distance runner who competed mostly in cross country and road races.
Erick Kimaiyo Kimase is a Kenyan former marathon runner who came second at the 1997 Berlin Marathon, and won the Honolulu and Baltimore Marathons on multiple occasions. Kimaiyo now works as a marathon coach, and trains current women's world record holder Brigid Kosgei.
Kenya 
