The Lucas Oil AMA Pro Motocross Championship features the world's fastest outdoor motocross racers, racing aboard the best bikes each factory offers, on the roughest, toughest tracks in the world. Motocross racing is survival of the fittest as well as the fastest every weekend; it's where legends like Ricky Carmichael, Jeremy McGrath, James Stewart, and Ryan Villopoto were built.

All 10 rounds will take place at Lincoln Trail Motosports and will utilize either their "Classic" MX Track or Mark Barnett built "Bomber" MX Track.

AMA District 17 Motocross Race Series promotes Motocross and off-road racing in the Illinois area.

AMA District 5 Motocross Race Series has a rich history of holding motocross and off-road racing events in the Northeast.

The AMA National Arenacross series holds top pro and amateur racing events throughout the country.

Carolina Ultra Motocross Race Series. Championship Racing Events (motocross, arenacross, atv) in Tennessee, Kentucky, Virginia, North Carolina, South Carolina, Georgia, and Alabama.

The AMA Amateur National Motocross Championships have become the premiere amateur national series in the United States, and the proving grounds for America's future professional Supercross and Motocross heroes.

Every summer racers have flocked to Mammoth Mountain for this classic event. It is the oldest continuous running motocross in the USA. The track has changed a little over the years, but the fun hasn't.

AMA District 7 Motocross Race Series promotes racing in the Maryland, Delaware, and DC areas. Race multiple disciplines including; harescrambles, motocross, atv, enduro, trials, and more.

California Gold Cup Motocross Series offers classes for all levels of age and ability and tracks are held at the best tracks in southern California. No membership or license is required to race series.

The goal of the MSC Motocross Organization is to ensure that you have a wonderful motocross experience at all of our member race tracks. Our wish is that you have an exciting day of racing fun at every event.

The New England Motocross Association (NEMA) is a nonprofit organization dedicated to the promotion of the sport of motocross racing for young riders.

AMA District 14 Motocross Race Series offers Motocross, harescramble, and enduro racing in the central US.

The ITP/Moose Racing AMA ATV Motocross Championship Presented by Parts Unlimited isthe nation's premier amateur and professional ATV motocross series, and competes at top motocross facilities nationwide. Established in 1985, the 11-round series features the Nation's best racers, teams and sponsors, and is America's largest andlongest-running National ATV Motocross series with more than 20 years of competition. The series produces top talent in the professional and amateur ranks, keeping close to the grassroots fun that makes people love to go to the races

New England Sports Committee (NESC) holds races all over New England, from Maine to Connecticut.

Motocross and Supercross racing at Winchester Speedpark. Tracks are located on Rte 10 in the Beautiful Monadnock Valley. WSP offers the "Best of Both Worlds" with two parks adjacent to one another off rte 10 in Winchester.

Western New York Racing is dedicated to racers, tracks and fans of motocross in Western NY, with a fresh vision and a positive feel for the sport of motocross.

Kentucky Off Road Hare scramble Series (KORHS), is a motorcycle and ATV racing promotion company conducting events in association with individual landowners, promoters and clubs.

In 1995 six District 37 motorcycle clubs came together to form the Big 6 GP Championship Series. The purpose of this new organization was to promote off-road racing by giving racers six unique and challenging venues that all shared the same high quality organization and a standard format. The hosting clubs have over 115 combined years promoting Grand Prix events in Southern California. The Series is now 7 rounds, and is sanctioned by the American Motorcyclist Association District 37. The races are held at different locations in Southern California. Each race course is directly influenced by the natural terrain and local environment of its unique location so the rider will never get bored riding the same location every round of the series.

CMC Racing's Major Race series include CMC Golden State Nationals, Spring Classic Nationals, Copperstate Series, Trans-Cal Nationals and the Pac-West nationals. We sanction events in Arizona, New Mexico, Nevada, Oregon, Washington, Idaho, Montana, Wyoming, California and Western Canada.

Dedicated with providing our members fun, family oriented events, and protecting the rights of our members to be able to enjoy the sport of motorcycling. AMA District 37 Off-Road Racing has been involved with protecting the rights of motorcyclists for over 40 years.

AMA National Enduro Series races season-long. Multi-event pro-am and amateur competition featuring enduro championship Racing.

The NEOC was formed from a group of dedicated off-road riders. Our goal is to create a fun, family oriented series with a mix of competition and total commitment to producing the finest offroad events in the North East (quite possibly the country). Our courses will be a mix of woods, MX, rocks, mountains, enduro cross and South Jersey sand & roots. It will be some of the best terrain to hone, skill and challenge our off-road riders. North East Off-Road Championship Series.

Pennsylvania State Hare Scramble Series is one of the finest series on the East Coast. They have 13 rounds with two being AMA Nationals and over $100,000 up for grabs in contingency for 2012.

JDay Offroad GP Race Series features 2 action packed 30 minute moto's for racers and fans to enjoy. The race tracks consist of 50% trail, 25% motocross/grass track and 25% extreme. Courses are run over 2-4 miles of terrain with laptimes around 4-6 minutes to make for some great spectacting and racing. JDay Offroad is also the only off-road race series in New England offering up 100% pro payback along with a vendor purse and KTM contingency.

Square Deal Riders is one of the oldest motorcycle clubs in the United States, Holding 15 or more events throughout each year including Flat Track, WNYOA Hare-Scrambles, The SDR Winter Series, Adventure and Road Rides.

The AMA/ATVA-sanctioned Grand National Cross Country series is America's premier off-road racing series. The 13-round race series stretches through the eastern US, starting with the season-opener in Florida in March and concluding with the season-finale in Indiana in October. The GNCC race series is produced exclusively by Racer Productions, a Morgantown, West Virginia-based racing production company with over 30 years of experience in the industry. Cross-country racing is one of the most physically demanding sports in the world. The riders must navigate rugged terrain such as woods, mud, dirt, rocks and jumps for nearly three hours, while racing against the best talent in the world.

The Iowa Enduro Riders Association is a group of smaller clubs from throughout Iowa and some from surrounding states that formed together to sanction enduro and hare scramble races throughout the area. By joining together to define rules and racing classes, the clubs keep things consistent race to race around the state. The I.E.R.A. races are sanctioned by the AMA (American Motorcyclist Association) and we are associated with AMA District 22.

AMA District 15 Off-Road Race Series offers Motocross, harescramble, and enduro racing in the central US.

The East Coast Enduro Association (ECEA) is a group of AMA chartered clubs engaged in the sponsorship and promotion of off-highway motorcycling events, and is widely recognized as one of the foremost off-highway motorcycling event sanctioning bodies in the United States. The ECEA is dedicated to the betterment of the sport of off-highway motorcycling event riding and to providing the individual competitor with a quality, challenging event.

AMA racing season-long, multi-event pro-am and amateur competition. AMA National Hare Scramble Championship Series.

The AMA EnduroCross Championship Series is for the EX Pro Class only; the AMA EnduroCross Grand Championships incorporates the Support Classes. EX Pro Class racers will acquire national championship points for each event they participate it, with the AMA EnduroCross Championship being awarded to the EX Pro competitor who acquires the most points throughout the season. For Support Class racers, although they can participate in as many events as they please, they technically ONLY need to participate in an EXGC Regional Qualifier to qualify for the EXGC Finale (final round). The winners of each of the Three (3) Support Class Main Events at the EXGC Finale will be crowned AMA EnduroCross Grand Champions.

AMA Racing season-long, multi-event pro-am and amateur competition. East Championship Hare Scramble Series.

The Western New York Off-Road Association (WNYOA) is composed of a group of AMA Sanctioned clubs engaged in the sponsorship and promotion of Hare Scrambles and Enduro racing.