Sabastian Sawe wins the London Marathon in record time, while Tigst Assefa sets a new women's mark and Marcel Hug extends dominance.
Kenya's Sabastian Sawe made history by becoming the first person to run a marathon in under two hours at the London Marathon.
Kenyan Dickson Chumba pulled away from compatriot Sammy Kitwara and comfortably won a slow Chicago Marathon in a sweep for the African nation on Sunday.
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.
Kenyan Moses Mosop won the 34th Chicago Marathon on Sunday, surging away from the field with 10 kms to go and setting a course record of two hours five minutes 37 seconds.
Increased security will be in effect for Sunday's Chicago Marathon, the first major marathon staged in the United States since the tragic April bombing at the Boston race, organizers and police said.
Kenya's Ruth Chepngetich smashes women's marathon world record in Chicago
According to the Nation newspaper, Kiptum was driving his Rwandan coach and a woman in a car near the Rift Valley village where he was born when the accident occurred.
Summary of sports persons and events in the news on Friday.
Record-busting shoes loom large in marathon debate
Britain's Mo Farah won a record sixth successive Great North Run after setting his personal best time on Sunday. The Olympic gold medallist raced ahead of Ethiopian Tamirat Tola in the final mile to cross the line in 59 minutes and six 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.
The race, held annually since 1897, is the world's most prestigious marathon and generally draws over 30,000 runners from all over the world.
Amber Miller could be forgiven for taking a long rest after completing the Chicago Marathon on Sunday but rather than resting her aching limbs, the 27-year-old spent the evening giving birth to her second child.
The statement added that the suspension bars the athlete from "participating in any competition or activity in athletics prior to a final decision at a hearing conducted under the World Athletics Anti-Doping Rules or the Integrity Code of Conduct".
Cooler temperature and less humidity could see marathoners clock sub 2:15, says organiser of the Mumbai Marathon 2005.
Berlin marathon organisers shelve plans for 2020 race
Mumbai Marathon Race Director Hugh Jones said the Mumbai event will not have timings as good as those of the London or Chicago marathons.\n\n
Former Boston Marathon winner Lidiya Grigoryeva has been banned for 2 1/2 years for doping.
Summary of sports events and persons who made news on Friday
Marathoners are spending the precious few moments of downtime before Saturday's competition focused on strategy and rest, and do not fear Olympic cancellation
Kenya, facing scrutiny from world anti-doping officials and criticism that it is not doing enough to tackle the problem, has banned seven more athletes for doping offences, raising the total number of Kenyan drug cases in the last three years to 40.
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.
The sport's governing body (WA) said that with immediate effect and for elite competition only, road shoes must have soles no thicker than 40mm and not contain more than one rigid, embedded plate.
Kenya reacted angrily on Tuesday to calls by the German Athletics Federation (DLV) that its athletes be barred from the Rio Olympic Games due to doping concerns.
The World Anti-Doping Agency cut the doping ban on Russian Liliya Shobukhova by seven months on Monday, saying the marathon runner had provided "substantial assistance" and was eligible for a lighter sentence.
Sports authorities across the world are scrambling to find out more about the mosquito-borne virus as they make plans for the games in August.
Britain's Sunday Times and Germany's ARD say the results from the database of the sport's governing body, the International Association of Athletics Federations (IAAF), show evidence of widespread cheating among long distance runners.
Kenya's top runners have urged athletics fans and sports enthusiasts across the world to keep faith in them, despite media allegations of widespread doping in the east African nation famed for its top-class runners.
Summary of sports events and persons who made news on Saturday.
Russian steeplechaser Yulia Zaripova has been banned for two and a half years for doping offences, the Russian anti-doping agency RUSADA said (www.rusada.ru) on Friday.
Summary of sports events and persons who made news on Sunday
Summary of sports events and persons who made news on Wednesday