Check out photos of the 2012 MotoGP pre-season tests here at motorcycle-usa.

Valentino Rossi and Nicky Hayden attend the combined Ducati and Ferrari Wrooom MotoGP Press Ski meeting in Trento, Italy.

Check out all the latest photos from the 2012 MotoGP season here at motorcycle-usa.

MotoGP Development: Yamaha M1 2007-2011

View photos and images from Round 18 of the 2011 MotoGP Championship in the 2011 Valencia Photo Gallery.

Remembering fallen Honda MotoGP racer Marco Simoncelli.

View photos and images from the 2011 Malaysian Grand Prix at the Sepang circuit.

View photos and images from the 2011 Australian Grand Prix at the Phillip Island circuit.

View photos and images from the 2011 Japanese Grand Prix at the Motegi circuit.

View photos and images from the 2011 Gran Premio de Aragón at the Aragon circuit in Spain.

View photos and images from the 2011 San Marino Grand Prix at the Misano Adriatico circuit.

View photos and pictures of the 2011 Red Bull Indianapolis GP in this MotoGP photo gallery.

View photos and images from the 2011 Czech Republic Grand Prix at the Brno circuit.

View photos and images from the 2011 Red Bull U.S. Grand Prix at Mazda Raceway Laguna Seca.

See photos of the 2011 German Grand Prix in the 2011 MotoGP Sachsenring photo gallery.

See photos of the 2011 Gran Premio d'Italia in the 2011 MotoGP Mugello photo gallery.

See photos of the 2011 Dutch Grand Prix in the 2011 MotoGP Assen photo gallery.

See photos of the 2011 Silverstone Grand Prix in the 2011 MotoGP Silverstone photo gallery.

See photos of the 2011 Catalunya Grand Prix in the 2011 MotoGP Catalunya photo gallery.

See photos of the 2011 Le Mans Grand Prix in the 2011 MotoGP Le Mans photo gallery.

See photos of the 2011 Estoril Grand Prix in the 2011 MotoGP Estoril photo gallery.

See photos of the 2011 Jerez Grand Prix in the 2011 MotoGP Jerez photo gallery.

See photos of the 2011 Qatar Grand Prix in the 2011 MotoGP Qatar photo gallery.

Valentino Rossi makes his first appearance in Ducati red alongside MotoGP teammate Nicky Hayden at the 2011 Wrooom MotoGP Press Ski meeting in Trento, Italy.

View the entire 2011 MotoGP season in this 2011 MotoGP Season Photo Gallery.

See photos of the 2010 Valencia Grand Prix in the 2010 MotoGP Valencia photo gallery.

See photos of the 2010 Estoril Grand Prix in the 2010 MotoGP Estoril photo gallery.

See photos of the 2010 Phillip Island Grand Prix in the 2010 MotoGP Phillip Island photo gallery.

See photos of the 2010 Sepang Grand Prix in the 2010 MotoGP Sepang photo gallery.

See photos of the 2010 Japanese Grand Prix in the 2010 MotoGP Motegi photo gallery.

See photos of the 2010 Aragon Grand Prix in the 2010 MotoGP Aragon photo gallery.

See photos of the 2010 Misano Grand Prix in the 2010 MotoGP Misano photo gallery.

View the action from the Indianaplis round of MotoGP in the 2010 MotoGP Indianapolis Photo Gallery.

See photos of three-time 500cc motorcycle Grand Prix Champion, Wayne Rainey then find out his take on the current state of MotoGP road racing in this exclusive Wayne Rainey MotoGP Interview.

View the action from the Czech Republic round of MotoGP in the 2010 MotoGP Brno Photo Gallery.

View the action from the Laguna Seca round of MotoGP in the 2010 MotoGP Laguna Seca Photo Gallery.

Motorcycle USA takes a look at the sport of Motorcycle Grand Prix, including its history, machinery, riders and teams. Read the full story at MotoGP: The Zenith of Motorcycle Racing.

See MotoGP photos of action in Germany in the 2010 MotoGP Sachsenring photo gallery.

See MotoGP photos of the 2010 Assen TT in the 2010 MotoGP Assen TT photo gallery.

See MotoGP photos of the 2010 Assen TT in the 2010 MotoGP Assen TT photo gallery.

See photos of the 2010 Silverstone Grand Prix in the 2010 MotoGP Silverstone photo gallery.

See photos of the 2010 Mugello Grand Prix in the 2010 MotoGP Mugello photo gallery.

See photos of the 2010 Le Mans Grand Prix in the 2010 MotoGP Le Mans photo gallery.

See photos of the 2010 Jerez Grand Prix in the 2010 MotoGP Jerez photo gallery.

See photos of the 2010 Qatar Grand Prix in the 2010 MotoGP Qatar photo gallery.

View the entire 2010 MotoGP season in this 2010 MotoGP Season Photo Gallery.

See photos of the 2009 MotoGP Valencia round in the 2009 Valencia MotoGP gallery.

The penultimate round of MotoGP descends on Malaysia to race around the Sepang circuit.

Check out the latest photos from Round 15 of MotoGP held at Phillip Island.

Check out the latest MotoGP Estoril photos in the 2009 MotoGP Estoril photo gallery.

Check out the latest MotoGP Misano photos in the 2009 MotoGP Misano photo gallery.

Check out Motorcycle USA's photo essay from the 2009 Red Bull Indianapolis GP motorcycle races at Indianapolis Motor Speedway.

Check out photos MotoGP Brno round of the 2009 MotoGP championship.

See MotoGP Donington Park photos in the 2009 MotoGP Donington Park photo gallery.

Check out photos MotoGP Sachsenring round of the 2009 MotoGP championship. Read the full race details of the 2009 MotoGP Sachsenring Results.

Check out Motorcycle USA's photo essay from the 2009 Red Bull U.S. Grand Prix motorcycle races at Mazda Laguna Seca Raceway. Read the details of the race in our MotoGP Laguna Seca Results

Over 100,000 fans gathered at the Assen TT circuit to see who would become the new 2009 MotoGP Championship leader, and whether Valentino Rossi could notch the 100th victory in his illustrious Grand Prix career. Read the full 2009 MotoGP Assen TT Results.

Round 6 of the 2009 MotoGP Championship took the paddock to the outskirts of Barcelona, Spain for Grand Prix of Catalunya. Australian rider Casey Stoner lead the way into the round, but an amazing battle between the two Fiat Yamaha riders Valentino Rossi and Jorge Lorenzo made it a three-way tie for the championship lead. Read all about it in the full 2009 MotoGP Catalunya Results.

The MotoGP paddock headed to the Tuscan region of Italy for the fifth round of the 2009 MotoGP World Championship, held at the picturesque Mugello circuit. Check out the full 2009 MotoGP Mugello Results.

Round 4 of the 17 session 2009 MotoGP Championship took the riders to the Bugatti circuit in Le Mans, France. Check out the full 2009 MotoGP Le Mans Results.

Valentino Rossi scores his first win of 2009 and the 98th of his Grand Prix career in front of 123,000 Spanish fans at the MotoGP Jerez round. Look at the pics then read the MotoGP Jerez Results report.

Round 2 of the 2009 MotoGP Championship at Twin Rings Motegi Circuit in Japan. Jorge Lorenzo claimed his second career MotoGP victory with an impressive win at Motegi. For our more advanced readers we also offer a non-picture book format of the 2009 MotoGP Motegi Results.

Check out all the latest photos from the first round of MotoGP in Losail, Qatar.

Check out the hottest pics from the world's premier motorcycle road racing league here in the MotorcycleUSA 2009 MotoGP photo gallery.

2008 MotoGP Season - Check out the action in this MotorcycleUSA.com photo essay

2008 Red Bull USGP at Laguna Seca

Follow Chris Vermeulen's 2008 Grand Prix progress in Motorcycle USA's Vermeulen's Inside Line column.

2008 MotoGP Indianapolis USGP

2008 MotoGP Machines - Check out the action in this MotorcycleUSA.com photo essay

When Valentino Rossi took the checkers at Assen it marked the 150th time a Yamaha has graced the top of the Grand Prix podium in the premier class. Take a look at the past winners. Check out the full story in Yamaha Celebrates 150 GP Wins.

2007 MotoGP - Check out the action in this MotorcycleUSA.com photo essay

2006 MotoGP - Check out the action in this MotorcycleUSA.com photo essay

2006 Valencia From the Stands - Check out the action in this MotorcycleUSA.com photo essay

2005 Valentino Rossi

2005 Tim Berry Racing Art

2005 MotoGP Machines - Check out the action in this MotorcycleUSA.com photo essay

2005 MotoGP - Check out the action in this MotorcycleUSA.com photo essay

2004 MotoGP Bikes - Check out the action in this MotorcycleUSA.com photo essay

2004 MotoGP - Check out the action in this MotorcycleUSA.com photo essay

2003 MotoGP - Check out the action in this MotorcycleUSA.com photo essay