Obama said on the letsmove.gov Web site the previous record of 20,000 people was smashed when schools counted a total 300,265 people performing the exercise in a 24-hour period in October.
"Breaking the record is a huge accomplishment. But we still have a lot of work left to do to meet an even bigger goal: ending childhood obesity within a generation so all children have a chance to grow up healthy and strong," letsmove.gov said.
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