CHICAGO (CBS) — It’s a sight you only get to see once a year – a view of Lake Shore Drive from a bicycle.

21,000 people registered for the 14th annual Bike the Drive from 5:30-11 a.m.

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It’s not clear how many people decided to stay in bed when they saw some rain this morning, but one of Chicago’s busiest streets was a sea of spandex and Schwinns.

“This celebrates the lakefront and the city,” Burke said. “It’s the kickoff to the summer and the cycling season, though a lot of people bike year-round now. It’s just so exciting to see families out here, people from all over the city having a great time.”

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Several bikers appeared bleary-eyed, including one man who had been at the Hawks game, which went into double overtime, and woke up after five hours of sleep.

(Credit: Nancy Harty)

(Credit: Nancy Harty)

Cell phone use while biking was discouraged, but a woman riding in the back of tandem with her dad says since she couldn’t steer, she was able to take plenty of pictures.

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Five-year-old Violet of Chicago described the experience from her seat in a bike trailer as “like riding on a cloud.”