Hangtown Motocross Classic - Dirt Diggers North
- Home to several riding clubs and a stop on the outdoor national series.
- http://www.hangtownmx.com/

Cycleland Speedway
- Cycleland Speedway, Outlaw Kart & Motocross Racing. Track is located in the center of an oval track. On site facilities include a concessions stand, restrooms and parking.
- http://www.cyclelandspeedway.com/

Off Road Rider Dirtbike Reference
- A complete dirt bike reference for offroad motorcycle riding in the Bay Area and California. Information on all types of off-road dirt bike riding from motocross to dirt track.
- http://www.offroadrider.com/

Motocross Vacation
- Southern California motocross track tours, bike rentals and vacation packages. For beginners to professionals.
- http://www.motocrossvacation.com