Violent clashes have spread over the weekend as protesters defied city curfews, amid widespread anger at the latest police killing of a black American.
Protests and riots have flared overnight in cities across the US even though a Minneapolis police officer has been charged with murder over the killing of black American man.
The event - Sunny Sledge 2020 - was being staged for the fourth time, with 36 teams taking part in this year's contest.
This year's Lucky Man is a 33-year-old physical education teacher from Osaka.
Competitors raced on a frozen lake to get to the finishing line.
The streets of Glasgow's city centre were painted red on Sunday with thousands of runners dressed as Santa Claus.
Muddy conditions greeted 150 teams from 15 countries as they competed in the 2019 WSA (World Sleddog Association) Dryland World Championships
Jordanian racers riding self-designed cars that look like a falafel sandwich or a giant mosquito showed off their skills in the country's second soapbox race
Poland's 2016 world speed climbing champion Marcin Dzienski took just 12.12 seconds to beat a lift up 23 metres in Warsaw. In this stunt he raced an illuminated elevator on the outside of the Westin Hotel in Warsaw, beating it to the top in a tightly fought contest.
A total of 48 teams lined up for the annual 12-hour endurance race staged in West Sussex, England
Hundreds of children and parents who are still young at heart took to the streets of La Paz for a bout of box cart racing on Sunday (July 28)
'Sammy' the snail, crawls to victory
The record heat has forced New York City to cancel the annual city triathlon, but the babies were off to the races Friday (July 19) in the annual Diaper Derby.
Apex Racing beat XBlades Running of Britain on Saturday, July 13, to win the Turin leg of the Drone Champions League.
Farmers in Eastern Thailand celebrated the start of the sowing season on Saturday by racing the buffaloes whose usual duty is to plough fields.
Hundreds of bikers racing down a glacier can be a bit of a slippery affair
The race defied the attempts of the Spanish far-right party Vox to cull the Pride celebrations this year.
Men and women run on stilettos and dressed in a flamboyant outfit to mark the gay pride in Madrid
Recycled and pre-worn garments are set to steal focus at Royal Ascot's Ladies' Day.
The small city of Hanyu, 60 kilometres north of Tokyo, was the headquarters of the Grand Prize of the Japanese office 'Isu'. The initiative was created ten years ago by Tsuyoshi Tahara in Kyoto and became so popular that this year 55 teams attended.
Hundreds of people gathered at Hong Kong's Aberdeen Harbour on Friday for the annual dragon boat races.
In a test of their crawling skills, 25 toddlers took part in Lithuania's annual baby racing contest
The event has become something of a spectator sport since it was first staged in the capital Vilnius 20 years ago
Thirty-three Russian drivers braved summer heat, mud and dust to join a unique tractor race in the southern Rostov region on Sunday (June 2).
Five-thousand people gathered in Moscow's Luzhniki park on Sunday (June 2) to greet summer with an annual colour run.
Some 15,000 people took part in a muddy challenge in Arnsberg, Germany, on Saturday.
More than 240 young riders took on each other in a balance bike race in southwest China's Chongqing Municipality over the weekend.