People mourn at a makeshift memorial in front of the Russian embassy in Yerevan on March 23, 2024, a day after a gun attack on the Crocus City Hall in Russia's Krasnogorsk. Camouflaged assailants opened fire at the packed Crocus City Hall in Moscow's northern suburb of Krasnogorsk on March 22, 2024, evening ahead of a concert by Soviet-era rock band Piknik in the deadliest attack in Russia for at least a decade. Russia on March 23, 2024, said it had arrested 11 people – including four gunmen – over the attack on a Moscow concert hall claimed by Islamic State, as the death toll rose to 133 people. (Photo by Karen Minasyan/AFP Photo)

A group of children run into a fountain on the South Bank on August 1, 2011 in London, England. Temperatures in the capital reached around 27 degress today and are expected to hit 30 degrees by Wednesday. (Photo by Dan Kitwood/Getty Images)

Participants take part in an extreme run “Bison race” near the town of Logoisk, Belarus September 17, 2016. (Photo by Vasily Fedosenko/Reuters)

A participant competes in the “Farinato Race” winter extreme run competition in Gijon, northern Spain, January 31, 2016. (Photo by Eloy Alonso/Reuters)

A woman takes part in a “Brave Run” competition in Minsk October 4, 2015. (Photo by Vasily Fedosenko/Reuters)

A rickshaw man runs under the blooming cherry blossoms in Tokyo, Sunday, March 29, 2015. (Photo by Shizuo Kambayashi/AP Photo)

People enjoy the color run in Guangzhou, Guangdong province of China on May 29, 2022. (Photo by Stringer/Anadolu Agency via Getty Images)

Camelot, with rider Kris Anderson, wins an exhibition race billed as “The Cameltonian” at the Meadowlands Race Track in East Rutherford, New Jersey June 21, 2014. Run by Hedrick's Promotions in Nickerson, Kansas, this is the third year the race has been run at the track, in tandem with an ostrich race. (Photo by Ray Stubblebine/Reuters)