Tiffany Kenny Tiffany Kenny, 34, is enjoying her 8th year as a professional mountain bike racer. In addition to being a full time registered nurse, she has racked up over 150 career wins and is a four-time regional champion at the American Mountain Bike Challenge. She competed in the NORBA National Series and World Cup Series from 2000 to 2004, and has since been a top competitor in East Coast marathon mountain bike events. She has won Ohio's Mohican 100,is a multi-time solo champion at Elk River Touring Center's Wild 100, and was the 2007 Ohio state road race champion.