OKLAHOMA CITY, OKLAHOMA — She looks for smooth pavement and mild weather. “You’re constantly in motion,” says Chelsea Ryan. She finds both in unexpected places like the memorial at Stars and Stripes Park. Somewhere between one hour to five hours every day, this is how she rolls. “Yeah,” she chuckles. “The great thing about a circle is it’s pretty much infinite.” You’re looking at what’s called a Cyr Wheel. They’re larger, sturdier, and much heavier than the better known Hula […] ...