Arthur Charles "Skipper" Blake was an American athlete who competed in the 1500 meters and the marathon at the 1896 Summer Olympics in Athens.
Christopher ("Chris") Lloyd Maddocks is a male retired race walker from Great Britain. He competed in five consecutive Summer Olympics for his native country, starting in 1984. In his final competitive race, the 50 km walk at the 2000 Summer Olympics in Sydney, Australia, he overcame a hamstring injury to finish in last place. In completing the race, he set the record as the first British track athlete to compete in five Olympic Games. Following his retirement, he became a sports journalist.
Andrew James Vernon is a British long-distance runner who specialised in the 5000 metres, the 10,000 metres on track and cross country running. After the 2018 commonwealth games and started to concentrate on the roads winning Manchester Half Marathon with the aim of doing a full marathon in 2019. Vernon competed at the 2016 Summer Olympics in the men's 10,000 metres. He has also competed in two Commonwealth Games, a World Indoor Championship and six World Cross Country Championships. Vernon is a two-time European Athletics Championship medallist and a Summer Universiade gold medallist. He currently competes for Aldershot, Farnham & District AC.
Rwanda competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation at London marked its eighth appearance in the Summer Olympics since its début at the 1984 Summer Olympics. The delegation included seven competitors which included three track and field athletes; Robert Kajuga, Jean Pierre Mvuyekure and Claudette Mukasakindi. The other people that represented the country were cross-country cyclist Adrien Niyonshuti, judoka Fred Yannick Uwase, swimmers Jackson Niyomugabo and Alphonsine Agahozo. The track and field athletes qualified for the Games by meeting qualification standards while the remaining four made the Olympics through wildcard places. Niyonshuti was the flag bearer for both the opening and closing ceremonies. No athletes were able to achieve medals at the London Olympic Games.
Lesotho competed at the 2012 Summer Olympics in London, which was held from 27 July to 12 August 2012. The country's participation at London marked its tenth appearance in the Summer Olympics since its début at the 1972 Summer Olympics. The delegation included three track and field athletes; Tsepo Ramonene, Mosito Lehata and Mamorallo Tjoka, and one swimmer; Masempe Theko. Ramonene and Lehata qualified for the Games by meeting qualification standards, while Tjoka and Theko made the Olympics through wildcard places. Tjoka was selected as the flag bearer for the opening ceremony while Lehata held it at the closing ceremony. Ramonene finished last in the men's marathon and was revived by medical personnel during the event. Lehata did not progress to the semi-finals of the men's 200 metres and Tjoka finished in 90th in the women's marathon. Theko finished 73rd overall in the women's 50 metre freestyle and did not progress to the semi-finals of the event.
Arthur Vincent Roth was an American long-distance runner who won the 1916 Boston Marathon and competed in the men's marathon at the 1920 Summer Olympics.
Allan Lopes Mamédio do Carmo is a Brazilian swimmer, who specialized in open water marathon. He is considered one of the fastest professional open water swimmers in the world, finishing near the top of FINA World Cup races for the 10 km marathon. He also won a bronze medal for his category at the 2007 Pan American Games in Rio de Janeiro.
Al Mustafa Riyadh is a Bahraini marathon runner of Moroccan origin. Riyadh represented Bahrain at the 2008 Summer Olympics in Beijing, where he competed for the men's marathon, along with his compatriots Abdulhak Zakaria, and Nasar Sakar Saeed. Unfortunately, he was unable to finish the entire race for the second time since he did the same fate at the 2004 Summer Olympics in Athens.
Andrej Aliaksandravič Hardziejeǔ is a Belarusian marathon runner. He achieved his personal best time of 2:11:44 by winning the gold medal at the 2001 Hannover Marathon.
Alfredo Arévalo Reyes is a Guatemalan marathon runner. In 2004, he achieved both his personal best and a national record-breaking time of 2:12:53 at the National Capital Marathon in Ottawa, Ontario, Canada.
Vasyl Matviychuk or Vasyl Oleksandrovych Matviichuk is a Ukrainian long-distance runner.
Francis Chepsiror Kirwa is a Finnish marathon runner of Kenyan origin. In 2005, he adopted Finnish nationality in order to compete internationally in the marathon, and run for his home nation at the IAAF World Championships in Helsinki. He also set a personal best of 2:11:01 by winning the gold medal at the Maratona Sant’Antonio in Padua, Italy.
Arkadiusz Rafał Sowa is a Polish marathon runner. He set a personal best time of 2:12:00, by finishing seventh at the 2007 Berlin Marathon.
Moses Moeketsi Mosuhli is a Lesotho marathon runner. He set his personal best time of 2:14:03, by finishing second at the 2008 Nedbank Durban City Marathon in Durban, South Africa.
Clement Mabothile Lebopo is a Lesotho marathon runner. At age thirty-three, Lebopo made his official debut for the 2008 Summer Olympics in Beijing, where he competed in the men's marathon, along with his compatriots Tsotang Maine and Moses Mosuhli. He did not finish the entire race, before reaching the 10 km lap of the course.
Constantino León López is a Peruvian marathon runner. He set a personal best time of 2:17:03, by finishing eleventh at the 2010 Chosunilbo Chunchon International Marathon in Chuncheon, South Korea.
Ndabili Bashingili is a Botswana marathon runner. Bashingili made his official debut for the 2004 Summer Olympics in Athens, where he placed twenty-fifth out of a hundred runners in the men's marathon, with a time of 2:18:09.
Roman Kejžar is a Slovenian long-distance and marathon runner. He is a three-time Olympian, and a 2004 national marathon champion. He also set both a national record and a personal best time of 2:11:50 at the 2000 Turin Marathon, earning him a spot on the Slovenian team for the Olympics.
Paulo Jorge Caetano Gomes is a Portuguese marathon runner. He set a personal best time of 2:12:51, by finishing third at the 2007 Volkswagen Marathon in Prague, Czech Republic.
Lee Myong-Seung is a South Korean marathon runner. He set a personal best time of 2:13:25, by finishing ninth at the 2010 Seoul International Marathon. In the same year, he achieved his best career result with a fourth-place finish at the Gyeongju International Marathon, clocking at 2:16:19.
Tanzania 
