One Man Running, 3,000 Miles, All by Himself

Dean Karnazes has done it again. This time, his feat was even more remarkable.

Karnazes, the ultra runner perhaps most famous for his 50 marathons in 50 days in all 50 states, can now say that he has run across the country, literally. He began at Disneyland on February 25. He finished in New York City 76 days later. In between, he crossed 16 states and the District of Columbia, averaging 40-50 miles a day and racking up more than 3,000 miles in the process.

And what a process it was. He went through 50 pairs of shoes. He surely burned hundreds of thousands of calories, running 8-15 hours a day.

Promoting his trek across America were the hosts and producers of "Live! With Regis and Kelly." An associated website tracked the runner's progress day by day. Karnazes stopped by the studio as part of his finish flourish, giving a quick hug to hosts Regis Philbin and Kelly Ripa and basking in the cheers of the studio audience. There to greet him also were his wife, Julie, and Nick, his 13-year-old son.

The ultra-ultra-ultra-ultra run was part of a drive to benefit the nonprofit Action for Healthy Kids, which aims to help eradicate childhood obesity. Along the way also, Karanazes took part in a host of 5K runs, the entrance fees from which went to the charity, to the tune of nearly $180,000.

What's next for this hero of road? Stay tuned.