Jenn Catron is woken up most mornings by her son, Brian. He's 5 years old, so this is nothing out of the ordinary. His reason, though, is anything but.
"Mommy, are we racing today?"
Brian races bikes, and has since he was 3. He started with a Strider bike, which has no pedals and which a rider propels with their feet. He's worked his way up to bicycle motocross, or BMX. After becoming one of the top 50 Strider bike racers in the USA BMX national rankings and a top-10 finisher at a worldwide event, training wheels were rendered unnecessary.
"We tried him on the bike, and like any other kid, it was difficult for him to pedal," said his father,...