PHOTOS: These WEIRD races will surely make you run

Tired of the boring marathons and races? Take a look at these weird-themed races from across the world. 

The Underwear Run is a 1.7-mile fun run that takes place in Central Park every year on the Friday before the New York City Triathlon.

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The annual 50-metre race requires participants to wear high-heels that are at least 7 centimetre tall.

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The Color Run, also known as the Happiest 5k on the Planet, is a unique paint race that celebrates healthiness, happiness and individuality. The Color Run was founded in March of 2011.

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The 150-metre dash requires competitors to don wedding gowns and running shoes in a sprint through the Serbian capital. The winner and two runners-up receive numerous awards including the bridal dress they wore in the race.

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Around 1,000 runners dressed up as Father Christmas take party in this 10-kilometre long race hosted by the Laufclub Michendorf running association.

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Walk, jog, run or wobble your way around the 5 kilometre course -- all in an inflatable sumo suit. The charity run aims to raise funds to help educate children in Africa.

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This race is a loose parody of the famous Alaska dog sled race.  The race replaces the dogs with people in costumes with shopping carts. The purpose of the race is to foster a deep community feeling.

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Spartan Race is the world’s leading obstacle race series that challenges entrants to “discover their inner warrior”. More than 500,000 have taken part in Spartan races to date. It has three levels – the sprint, which involves running 5 kilometres and completing 15 obstacles, the super, which involves 13 km and 21 obstacles and the beast which is a 20-km run and 26 obstacles.

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The thought of running stairs can bring groans to even the most dedicated boot-camper. In the middle of a New York winter, more than 400 athletes face 1,576 steps during the Empire State Building Run-Up – that’s the equivalent of 86 floors. 

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Run For Your Lives is a 3-5 km obstacle course adventure run series created by Maryland-based Reed Street Productions. Like other obstacle races, runners navigate through various terrain and physically challenging obstacles. Unlike other obstacle races, runners try to dodge and escape from zombies roaming the course trying to grab flags from runners' flagbelts. It is held in various countries across the world.