Runners gather at the start line for the annual “Santa Speedo Run”, a charity race through the streets of the Back Bay neighborhood of Boston. (Photo by Gretchen Ertl/Reuters)

British Alex Yee looks exhausted after the men's individual triathlon race at the Paris 2024 Olympic Games, on Wednesday 31 July 2024 in Paris, France. (Photo by Tom Jenkins/The Guardian)

A person dressed as Santa Claus jumps into the sea during the Copa Nadal (Christmas Cup) swimming race in Barcelona, Spain on December 25, 2024. (Photo by Bruna Casas/Reuters)

Two miniature pigs, Brad Pigg and Gordon Hamsey, train for racing season at Monk Park Farm near Thirsk, North Yorkshire, UK on March 18, 2025. (Photo by James Glossop/Times Media Ltd)

An attendee dressed as Winnie the Pooh talks with a member of the D.C. Metropolitan Police Department during the annual pre-Halloween High Heel Race in Washington, D.C., U.S., October 28, 2025. (Photo by Nathan Howard/Reuters)

Two horses fight during a Xinhe Festival in Peixiu Village of Antai Township in Rongshui Miao Autonomous County on July 11, 2016 in Liuzhou, Guangxi Zhuang Autonomous Region of China. Xinhe Festival is one of the most popular traditional festivals in Rongshui with various entertainment activities. (Photo by VCG/VCG via Getty Images)

Georgie Bain takes a selfie with her horse in “Best Friends” in Aberdeen, United Kingdom, Date Unknown. For the first time, the founders of the Comedy Wildlife Photography Awards have launched a photography award show giving proud pet owners a chance to show off their quirky pets. (Photo by Georgie Bain/Barcroft Images/Comedy Pet Photography Awards)

Murad Khydyrov, horse and monkey trainer at the Great Moscow State Circus, and chimpanzee named Micky get ready for a rehearsal of the show called “History” as the circus prepares for its new season, which is to begin on September 19, in Moscow on September 17, 2020. (Photo by Natalia Kolesnikova/AFP Photo)