Question: What was the final race ran by the man won the the men's Great North Run in 2015?

Context articles: Great North Run
Great Yorkshire Run
Great North Run Cultural Programme
2017 Great North Run
2015 Great North Run
Mo Farah
Great North 10K
Great Manchester Run
Winston Western 500
2014 Great North Run

The Great North Run (branded the Simplyhealth Great North Run for sponsorship purposes) is the largest half marathon in the world, taking place annually in North East England each September.
 Participants run between Newcastle upon Tyne and South Shields.
 The run was devised by former Olympic 10,000 m bronze medallist and BBC Sport commentator Brendan Foster.
The Great Yorkshire Run is an annual 10K run road race previously held in September in Sheffield City Centre, England, and now held in July in Harrogate, North Yorkshire.
 It is a part of the Great Run series of events, and as such is linked with the Great North Run.
 It was run for the first time in 2007, and was run over a weekend, with the mini (3–8-year-olds) race at 2 km and the Junior (9–14-year-olds) race at 3 km taking place on 6 September at Don Valley Stadium, with the full 10 km Great Yorkshire Run taking place on the Sunday.
 It was formerly supported by the city development company Creative Sheffield, and the regional development agency Yorkshire Forward.
 From July 2016, the Great Yorkshire Run is now sponsored by Theakston Brewery and is referred to as the Great Yorkshire Run - Harrogate in association with Theakston.
The Great North Run Cultural Programme, now known as Great North Run Culture, is an annual series of artistic commissions which celebrate and respond to the Great North Run - the world's largest half-marathon - its history and route, its spirit and recollection, the thousands of journeys and stories of those who take part.
The 37th Great North Run took place on 10 September 2017 in Newcastle-upon-Tyne, England, United Kingdom with the men's and women's elite races and wheelchair races.
 Olympic and World champion Mo Farah, in his first race since ending his career on the track, won the Great North Run for the fourth year in a row.
 He became the first man to win the run four years in a row.
 Mary Keitany won the women's race for the third time in four years.
The 35th Great North Run took place on 13 September 2015 in Newcastle-upon-Tyne, England, United Kingdom with the men's and women's elite races and wheelchair races.
 World 5000 metres and 10,000 metres champion Mo Farah won the men's race for the second year in a row.
 He became the first British man to defend his title since Mike McLeod won the first two events in 1981 and 1982, and is only the third man to achieve such a feat; Kenyan Benson Masya is the only other male athlete to have defended his title.
 Kenyan Mary Keitany also won the women's race for a second consecutive year, the first woman to do so since Liz McColgan in 1996.
Sir Mohamed Muktar Jama "Mo" Farah, {'1': ", '2': ", '3': ", '4': "} (Somali: "Maxamed Mukhtaar Jaamac Faarax" ; born 23 March 1983) is a British distance runner.
 On the track, he mostly competed over 5000 metres and 10,000 metres, but has run competitively from 1500 metres to the marathon.
 In 2017 he indicated his intention to switch wholly to road racing following victory at his final track race, the 2017 IAAF Diamond League 5000 metres final.
The Great North 10K, styled as the Simplyhealth Great North 10K for sponsorship purposes, is a 10K road run, which has been called "the North East's biggest 10K running event", with over 5,000 people taking part.
 It is part of the Great Run series and the number of participants is only outnumbered by the Great North Run.
 The race in its present format was first staged in Sunderland in 2009 but changed locations to Gateshead for the 2011 event.
 Prior to 2009, a 10K race had taken place at Roker along the coastline of Sunderland but the event was only open to female competitors; when it changed to permit male participants, it was re-styled as the Great North 10K.
 In 2013, the date was brought forward to become the official running event partner of the 2013 European Team Championships.
The Great Manchester Run (styled as the "Simplyhealth Great Manchester Run" for sponsorship purposes from 2017) is an annual run through Greater Manchester (namely Manchester, Trafford and Salford).
 It has consisted of a 10k run since it was established in 2003, and a half marathon since 2017.
 The 10k race is the largest of its type in Europe.
 Usually held in mid-May, it is the third-largest mass participation running event in the United Kingdom.
 behind the Great North Run and the London Marathon.
 It is part of the Great Run series of road races in the UK.
 It was formerly sponsored by Bupa (2003-2014) and Morrisons (2015).
The Winston Western 500 was an annual NASCAR Winston Cup race held at Riverside International Raceway in Riverside, California, United States, in January, and then in later years, November.
 From 1963 to 1981, the race was held in January and was the season opening race.
 NASCAR elected to start its season with the Daytona 500 beginning in 1982, so a second Winston Western 500 was run in November to accommodate the change; the change resulted in Riverside hosting three Winston Cup races in 1981.
 The race ran in November from 1981 to 1987, serving as the Winston Cup Series' final race of the year from 1981 to 1986.
 The race distance was 500 miles until 1977 when it was shortened to 311 miles (500 kilometers).
 The other race held at Riverside, the Budweiser 400, was held in June.
The 34th Great North Run took place on 7 September 2014 in Newcastle-upon-Tyne, England, United Kingdom with the men's and women's elite races and wheelchair races.
 After having been narrowly beaten by Kenenisa Bekele in 2013, Mo Farah was rooted to become the first Briton since Steve Kenyon in 1985 to win the men's race and the first in any elite race since Paula Radcliffe won the 2003 women's race.
 He broke the 29-year duck, helped by the absence of 2013 champion Bekele, and was only the third Briton to win the Men's Elite race.