PHILADELPHIA (CBS)—A world record was set for the most rider wearing pajamas on a roller coaster on Wednesday.

To celebrate National Roller Coaster Day, Six Flags Great Adventure in Jackson, NJ says 167 fans showed up in their super hero pajamas as part of the DC Summer of Super Heroes.

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Riders spent one hour riding BATMAN: The ride exclusively to set the world record

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All participants received a special certificate commemorating the record.