Santa Cruz, CA. Dennis has a rich history in motocross racing. A long-time in-house Honda test rider, Dennis helped develop the original CRF450 and CRF250 for Honda (at their secret desert test compound). He also has raced AMA Nationals, WORCS, Supercross and the FIM MX3 world Championship series. You can spot him at select pro races around the country. Dennis has also raced in Australia, Denmark, Guatemala and Mexico.