A few miles west, Lorrie Smith, 51, works at Katy Bike Rental in Defiance. When she started riding the trail with a friend five years ago, she lost 75 pounds in a year, she said, helping her manage ...

ST. CHARLES, Mo. — The Katy Trail State Park is 237.7 miles long and 100 feet wide with a crushed limestone biking and hiking path down the middle. It is likely the skinniest state park in the nation.

HOLTS SUMMIT, Mo. — Ian Mackay, a C2 quadriplegic and founder of Ian's Ride, was searching for his next trek to raise awareness about accessible trail systems. He found an optimal one in the Katy ...