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.
Volunteers jumped off a platform hanging from the second floor of the Eiffel Tower on Tuesday for a thrilling ride down an 800 meter zipline.
All of the volunteers wore a pair of goggles, so they were able to admire the Paris skyline as they sped down the zipline at over 90 kilometers per hour.
More than 5000 children attended the event called "Soccer we love" at the presence of the pope, who impressed everyone with his ball twirling skills, helped by a freestyler who joined him during the audience in the Vatican.
Around 300 competitors slithered, slipped and dragged themselves through a river bed in the annual Maldon Mud Race on Sunday (May 12).
Competitors raced uphill with heavy sacks of charcoal at a quirky contest in the UK.
German team '1st MC Erzgebirge' won the World Marbles Championships title on Good Friday beating former champions Black Dog Boozers by 39–0 in a one-sided final
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These people are literally running towards a cleaner future.
Get ready, set, run to the sauna: Estonia holds annual sauna marathon.
Dmitri Voloshin, a Moldovan athlete, set a record running 50km at -60°C
The annual Christmas Tree Throwing World Championships took place in Weidenthal, Germany on Sunday.