German Ken Roczen will lead the MX2 class to Glen Helen ahead of his many American fans.

Glen Helen Raceway will host the Monster Energy Grand Prix of the USA this weekend, marking the second year in a row that the Motocross World Championship will travel to the iconic Californian complex.

In the MX1 class, Steven Frossard arrives being the current red plate holder after his overall third and fourth results in Sevlievo and Valkenswaard, while Ken Roczen dominates the MX2 category with an eight-point advantage over second.

Monster Energy Yamaha’s Frossard has been the most consistent rider of the MX1 class and arrives in Glen Helen as the current leader of the championship. Frossard is determined to obtain his maiden Grand Prix victory in the MX1 class this weekend.

Second of the MX1 class is Red Bull Teka Factory Racing MX1’s Max Nagl, who was second overall in Valkenswaard after winning the last heat. Last year, the German obtained a third place in the first moto in Glen Helen, but a crash in the second race made him finished tenth overall.

Rockstar Energy Suzuki World MX1’s Clement Desalle could not keep the red plate after the Grand Prix of the Netherlands and he is now third in the point standings. Last year, the Belgian finished third in Glen Helen, so he is determined to recuperate the red plate this weekend.

2010 MX1 World Champion Antonio Cairoli is currently fourth in the championship, but he already showed his extraordinary potential during the Grand Prix of the Netherlands by winning the GP being injured from his left knee.

Last year, the Italian left the American fans were amazed after his superb performance in Glen Helen, so he hopes not to deceive anyone and get closer to the leadership of the series.

His compatriot David Philippaerts from Monster Energy Yamaha Team entered the top five after his third overall result in Valkenswaard, but he is only one point ahead of Rui Gonçalves, who has proved to be very comfortable on his new Honda machine.

Up to eleven American riders will take part in the Monster Energy Grand Prix USA in the MX1 class, including Mike Alessi, who finished second overall last year and won the MX1 Qualifying Race on Saturday.

Red Bull Teka KTM Factory Racing MX2’s Roczen arrives in Glen Helen being the current red plate holder after his GP win in Bulgaria and his second position in the Netherlands.

For the German, Glen Helen will be a special race this weekend ahead of his close U.S. friends that he earned during the AMA Supercross season, and also because Marvin Musquin will return to racing.

Second in the MX2 class is Roczen’s teammate Jeffrey Herlings, who showed his incredible riding skills on the sand after dominating his home Grand Prix from beginning to end.

Tommy Searle from CLS Monster Energy Kawasaki Pro Circuit has been one of the most consistent riders of the MX2 class, being second and third overall in both Grand Prix.

Both he and teammate Max Anstie both lived in America during the last few years, so for them will be like riding home again.

Bike it Cosworth Wild Wolf Yamaha’s Arnaud Tonus is fourth in the point standings, followed by Gautier Paulin and Zach Osborne, who finished second overall last year.

In the MX2 class there will be up to 10 U.S. representatives.