Getting your Trinity Audio player ready... LAKEWOOD — When David Clabaugh took over Thunder Valley Motocross Park in 1999, he opened his wallet and his mind. Clabaugh, a lifelong racer and track ...

The first Pro Motocross race held at Thunder Valley in Lakewood, Colorado in 2005 was swept by Ricky Carmichael in a season where he won all but two motos while James Stewart won there in a 2008 night ...

The American Motorcyclist Association (AMA) brings its Lucas Oil Motocross Championships back to Lakewood’s Thunder Valley on June 26 for the fifth of eleven stops on the 2010 AMA schedule, and ...

Round 3 of the Pro Motocross Championship returned to the mile-high track of Thunder Valley MX, just outside of Denver at the base of the Rocky Mountains. We had quite the weather this weekend from ...

LAKEWOOD, Colo. — Professional motocross will make its return to the Denver area this weekend. The 19th annual Thunder Valley Motocross National will take place in Lakewood on Saturday. The ...