NEW YORK - Joey Chestnut achieved frankfurter immortality Friday, outdueling his celebrated Japanese rival in an epic hot-dog eating contest that pushed both of the gluttonous gladiators to the brink.

In a seesaw struggle for the ages, Chestnut and Takeru Kobayashi each consumed an eye-popping 59 hot dogs in 10 minutes, forcing an unprecedented showdown that tested the very depths of their distended stomachs.

Under the glare of ESPN and facing a boisterous and sweaty crowd of thousands on Coney Island, Chestnut, the reigning champ, and Kobayashi, the six-time title holder, were required to gobble down an additional five hot dogs in overtime.

Staring into the wiener abyss, the pair found the pluck to continue, devouring the beef and buns with renewed gusto, before Chestnut finally prevailed to chants of "USA!"

When it was over, Kobayashi was left holding a soggy mush of bun in his hand, and Chestnut had achieved nearly mythical status in the annual event held by Nathan's Famous since 1916.

It was a frankfurter photo finish.

"It was crazy," said the 24-year-old Chestnut, who was mentally prepared to eat 70 hot dogs and acknowledged that his body at times almost failed him. "It pushed back against me. I had to push harder. It just didn't want to swallow."

The diminutive Kobayashi had hoped to reclaim the throne after last year's disappointing three-dog loss shattered his six-year winning streak.

Both men said the shortened contest threw off their game. They said they had a hard time finding a rhythm despite leaving a slew of other competitors -- including a renowned female professional eater known as the Black Widow -- in a trail of mustard.

"I wasn't able to show my best, which is really the last two minutes," Kobayashi said.

The regulation time was changed after it was revealed that the original 1916 competition was just 10 minutes long, instead of the 12-minute limit used in more recent years.

Richard Shea, one of the founders of the International Federation of Competitive Eating, said it was the first time in his memory that the contest went into overtime.

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