For many of us, simply running a marathon is a serious challenge.
But Michal Kapral, a 44-year-old editor from Toronto, had a more difficult goal in mind. He wanted to run a marathon ... while juggling ... without dropping a ball even once.
And he did it at the Chicago Marathon on Sunday, at the brisk clip of 2 hours and 55 minutes. That's a pace of about 6:40 per mile.