- Was a regular top 15 competitor in the AMA Supermoto Championship.
- Finished 4th o/a in 2007 on a BMW HP2 Megamoto in the 1200cc Class.
- In 2006 finished 3rd o/a while winning the Supermoto class at the 84th running of the US hill-climbing classic at Pikes Peak in the Colarado Rocky Mountains.
- Greg and his brother Gary are very close. They used to travel the motorcycle race circuit together and both are very fast racers. Greg #555 and Gary #357 are "Team Silent H".
Contribute to this page
Suggest an edit or add missing content