A picture from the Wheel Gymnastics World Championships, taking place in Chicago in 2013. (Courtesy: WBBM/CBS)
It's part sport, part spectacle, all rolled into one, and this week,more than 140 top athletes from 18 countries are competing in wheel gymnastics.
Lyrie Harel is from Israel and she can tell you it's tougher than it looks. She trains 3 hours a day, five days a week.
This is the first time the Championships been held in the United States. Wheel gymnast David Ettelson has traveled all over the world to compete. but he couldn't be happier to compete on *home turf..
1617 for the first time i can have my friends and family come watch.
Evan Brown, the President of the USA Wheel gymnastics Federation, says, "It's a much larger sport in Europe, but it's growing, a lot more people are doing it and a lot more people are learning about the sport."
The competitions run through July 14 and are open to the public. Tickets start at 10 bucks.