Britain's double Olympic champion Mo Farah has said he will continue to work with coach Alberto Salazar who is being investigated by the U.S. Anti-Doping Agency (USADA).
Kenya's Eliud Kipchoge won the men's Olympic marathon with a dominating performance, running alone into the Sambadrome and finishing in two hours, eight minutes and 44 seconds.
Nike Inc shut down its Nike Oregon Project training group on Thursday, following the recent four-year ban of founder and coach Alberto Salazar by the US Anti-Doping Agency.
After biding his time for much of the race, the British four-time Olympic track champion surged to the lead in the final four miles and broke Ethiopian Mosinet Geremew to shatter the European marathon record of 2:05:48 despite wet and sometimes windy conditions.
Britain's double Olympic champion Mo Farah said on Tuesday he was '100 per cent clean.'
Top athletics coach Alberto Salazar and US Olympic silver medallist Galen Rupp have denied any wrongdoing after a BBC documentary accused them of violating anti-doping rules.
Kenyan Brigid Kosgei broke Paula Radcliffe's 16-year-old women's marathon world record but former Alberto Salazar coached athletes, including Mo Farah, were never a factor in the Chicago Marathon.
Britain's Mo Farah recovered from an early fall to sprint clear of the field in the home straight and retain his Olympic 10,000 metres title with a brilliant tactical display on Saturday.
Geoffrey Kirui and Edna Kiplagat produced a Kenyan sweep at the Boston Marathon, winning the men's and women's races on Monday by conquering the race's hilly final miles to establish their dominance.
The Indian duo of Thanackal Gopi and Kheta Ram put up an inspired show and clock their personal best timings to finish 25th and 26th respectively in the men's marathon at the Rio Olympics on Sunday.
Double Olympic champion Mo Farah won the 5,000 metres at the Diamond League meeting in Lausanne.
Images from the World Athletics Championships on Sunday, Day 3, in Oregon.
Summary of sports persons and events in the news on Friday.
Alberto Salazar, the coach of Britain's Olympic champion Mo Farah, has been accused of using prohibited infusions of supplements to improve the performance of his runners, the Sunday Times reported citing a leaked United States Anti-Doping Agency (USADA) report.
An American woman had not won the historic race since Lisa Larsen Weidenbach in 1985.
Justin Gatlin, the year's fastest at 100 and 200, had a bye in the 100 at the trials, but plans to challenge Usain Bolt at both distances in the August World Championships in Beijing.
The gold medallists on Day 16 of the 2016 Olympic Games in Rio de Janeiro, on Sunday.