Thousands of runners dressed in Santa Claus outfits compete in the annual Santa Dash in Liverpool, northern England December 7, 2014. Over 8000 people were expected to compete in the annual event which is run over a 5km course. (Photo by Phil Noble/Reuters)

Thousands of runners dressed in Santa Claus outfits compete in the annual Santa Dash in Liverpool, northern England December 7, 2014. (Photo by Phil Noble/Reuters)

People dressed as Santa Claus cross a road as they make their way to the start of the annual Santa Dash in Liverpool, northern England December 7, 2014. (Photo by Phil Noble/Reuters)

People dressed as Santa Claus walk down a road ahead of the start of the annual Santa Dash in Liverpool, northern England December 7, 2014. (Photo by Phil Noble/Reuters)

Competitors dressed in Santa costumes look from a coffee shop before an annual charity Santa fun run in Loughborough, central England, December 7, 2014. (Photo by Darren Staples/Reuters)

Competitors dressed as Santa Claus sprint past spectators during an annual charity Santa fun run in Loughborough, central England December 7, 2014. (Photo by Darren Staples/Reuters)

A dog sits with a competitor dressed as Santa Claus before an annual charity Santa fun run in Loughborough, central England December 7, 2014. (Photo by Darren Staples/Reuters)

A combination photograph shows dogs waiting to run with their owners in an annual charity Santa fun run in Loughborough, central England December 7, 2014. (Photo by Darren Staples/Reuters)

Thousands of runners dressed in Santa Claus outfits compete in the annual Santa Dash in Liverpool, northern England December 7, 2014. (Photo by Phil Noble/Reuters)

Runners dressed as Father Christmas start in the Nikolaus Lauf (Santa Claus Run) in the east German town of Michendorf, southwest of Berlin December 7, 2014. (Photo by Hannibal Hanschke/Reuters)

Runners dressed as Father Christmas start in the Nikolaus Lauf (Santa Claus Run) in the east German town of Michendorf, southwest of Berlin December 7, 2014. (Photo by Hannibal Hanschke/Reuters)

A runner dressed as Father Christmas pushes a baby stroller during the Nikolaus Lauf (Santa Claus Run) in the east German town of Michendorf, southwest of Berlin December 7, 2014. (Photo by Hannibal Hanschke/Reuters)

A man dressed as Father Christmas rides a bicycle during the Nikolaus Lauf (Santa Claus Run) in the east German town of Michendorf, southwest of Berlin December 7, 2014. (Photo by Hannibal Hanschke/Reuters)

A man dressed as Father Christmas rides a bicycle during the Nikolaus Lauf (Santa Claus Run) in the east German town of Michendorf, southwest of Berlin December 7, 2014. (Photo by Hannibal Hanschke/Reuters)

Runners dressed as Father Christmas take part in the Nikolaus Lauf (Santa Claus Run) in the east German town of Michendorf, southwest of Berlin December 7, 2014. (Photo by Hannibal Hanschke/Reuters)

People dressed in Santa costumes run past the Greek parliament as they take part in the Santa Claus Run in Athens December 7, 2014. (Photo by Alkis Konstantinidis/Reuters)

A man stands among people dressed in Santa costumes taking part in the Santa Claus Run in Athens December 7, 2014. (Photo by Alkis Konstantinidis/Reuters)

People dressed in Santa costumes take part in the Santa Claus Run in Athens December 7, 2014. (Photo by Alkis Konstantinidis/Reuters)

Skiers and snowboarders dressed as Santa Claus participate in a charity run down a slope at Sunday River Ski Resort in Newry, Maine December 7, 2014. Organizers say 250 skiing Santas raised $2700 for charity at the event. (Photo by Brian Snyder/Reuters)

Skiers and snowboarders dressed as Santa Claus ride a chair lift to participate in a charity run down a slope at Sunday River Ski Resort in Newry, Maine December 7, 2014. (Photo by Brian Snyder/Reuters)

A skier dressed as Santa Claus prepares to participate in a charity run down a slope at Sunday River Ski Resort in Newry, Maine December 7, 2014. (Photo by Brian Snyder/Reuters)

Skiers and snowboarders dressed as Santa Claus are reflected in a skier's goggles before participating in a charity run down a slope at Sunday River Ski Resort in Newry, Maine December 7, 2014. (Photo by Brian Snyder/Reuters)

Skiers and snowboarders dressed as Santa participate in a charity run down a slope at Sunday River Ski Resort in Newry, Maine December 7, 2014. (Photo by Brian Snyder/Reuters)

Skiers and snowboarders dressed as Santa Claus participate in a charity run down a slope at Sunday River Ski Resort in Newry, Maine December 7, 2014. (Photo by Brian Snyder/Reuters)

Skiers and snowboarders dressed as Santa Claus ride the chair lift to participate in a charity run down a slope at Sunday River Ski Resort in Newry, Maine December 7, 2014. (Photo by Brian Snyder/Reuters)

Skiers and snowboarders dressed as Santa participate in a charity run down a slope at Sunday River Ski Resort in Newry, Maine December 7, 2014. (Photo by Brian Snyder/Reuters)

A skier dressed as Santa Claus rides a lift after participating in a charity run down a slope at Sunday River Ski Resort in Newry, Maine December 7, 2014. (Photo by Brian Snyder/Reuters)

Runners dressed in Santa Claus outfits compete in the annual Santa Run in Victoria Park, east London December 7, 2014. (Photo by Neil Hall/Reuters)

Runners dressed in Santa Claus take a selfie before they compete in the annual Santa Run in Victoria Park, east London December 7, 2014. (Photo by Neil Hall/Reuters)

A Balinese man dressed as Santa Claus teaches orphan children how to surf at a beach in Kuta, Bali, Indonesia December 7, 2014. Every year in December a surf school in Bali held a free surf lesson to orphans as a part of Christmas celebration. (Photo by Made Nagi/EPA)

Brayden Knowles, 2, greets Santa Claus, with brother Brynlie, 4, at The Plaza, King of Prussia Mall, United State's largest retail shopping space, in King of Prussia, Pennsylvania on December 6, 2014. The 2.7 million square feet shopping destination is owned by Simon Property Group. Picture taken December 6, 2014. (Photo by Mark Makela/Reuters)

Pet dogs in Santa Claus costume pose of photos with their owners before the start of Santa Run at Kasai Rinkai Park in Tokyo, Saturday, December 6, 2014. (Photo by Eugene Hoshiko/AP Photo)

Participants in Santa Claus costume approach to finish during Santa Run at Kasai Rinkai Park in Tokyo, Saturday, December 6, 2014. Over 400 people participated in the 2.5 kilometer-run (1.5 miles). (Photo by Eugene Hoshiko/AP Photo)