A U.S. man has recently run a marathon backward, while juggling, in an attempt to get into the Guinness World Records book.

Joe Salter finished the 42-kilometre course in 5:51.25 recently in Quad Cities, a group of cities on the Illinois- Iowa boundary.

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"I'm not much of a fast runner, and I'll get beat at any distance, but I always go for niches, Salter told CBC Radio's As it Happens co-host Carol Off.

The youth counsellor said he "played it safe" while navigating the pack of distance runners, literally face to face with his fellow competitors.

"It was fun having that eye contact with a lot people at the beginning. That was the most surreal part," Salter said. "About 200 people coming after you and you're in the middle juggling."

Salter, who has been juggling since he was nine years old, said the majority of his training was done at night.

"I'm proud of the fact that I did it all at night, when my two little girls were sleeping, so I never interrupted family time," he said.

Salter's record is currently being reviewed by officials at Guinness World Records.