By Extra Mustard
February 14, 2013

Sanom Raksa (left) and Surasak Plaungklang sip an energy drink while competing in the World's Longest Continuous Kiss Competition in Pattaya, Thailand on Thursday. The event was held in an attempt to break the Guinness world record and to celebrate Valentine's Day.

Thailand Longest kiss AP

The participants will need to keep their lips locked for more than 50 hours, 25 minutes and one second to break the record set by a male gay couple last year.

Thailand Longest Kiss AP

A total of nine couples are taking part in this year's contest, which began Tuesday.

Thailand Longgest Kiss AP

Couples are not permitted bathroom breaks for the first three hours. After three hours, they must go to the bathroom on a specially made toilets (while escorted by a referee) and keep their lips locked throughout.

Thailand Longest Kiss AP

The oldest couple are aged 74 and 72 years old, having been married for 50 years.

Thailand Longest Kiss AP

The winning couple receives a purse of 100,000 baht ($3,363.08) in cash and a diamond ring worth 200,000 baht ($6,726.24).

Thailand Longest Kiss AP

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