2018 AMA Supercross schedule:

January 6: Anaheim 1 - Angel Stadium
January 13: Houston - NRG Stadium
January 20: Anaheim 2 - Angel Stadium
January 27: Glendale - University of Phoenix Stadium
February 3: Oakland - Oakland Alameda City Coliseum
February 10: San Diego - PETCO Park
February 17: Arlington - AT&T Stadium
February 24: Tampa - Raymond James Stadium
March 3: Atlanta - Mercedes-Benz Stadium
March 10: Daytona - Daytona International Speedway
March 17: St Louis - Dome of America's Center
March 24: Indianapolis - Lucas Oil Stadium
April 7: Seattle - Century Link Field
April 14: Minneapolis - U.S. Bank Stadium
April 21: Foxborough- Gillette Stadium
April 28: Salt Lake City - Rice-Eccles Stadium
May 5: Las Vegas - Sam Boyd Stadium

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2018 AMA Motocross schedule:

May 19: Hangtown Motocross Classic - Sacramento, CA
May 26: Glen Helen National - San Bernardino, CA
June 2: Thunder Valley National - Lakewood, CO
June 16: High Point National - Mt. Morris, PA
June 23: Tennessee National - Blountville, TN
June 30: Southwick National - Southwick, MA
July 7: RedBud National - Buchanan, MI
July 21: Spring Creek National - Millville, MN
July 28: Washougal National - Washougal, WA
August 11: Unadilla National - New Berlin, NY
August 18: Budds Creek National - Mechanicsville, MD
August 25: Ironman National - Crawfordsville, IN

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2018 FIM Motocross World Championship schedule:

4 March: Argentina Neuquen
18 March: Netherlands Valkenswaard
25 March: Spain Redsand
8 April: Italy Pietramurata
15 April: Portugal Agueda
1 May: Russia Orlyonok
13 May: Latvia Kegums
20 May: Germany Teutschenthal
3 June: Great Britain Matterley Basin
10 June: France St Jean d'Angely
17 June Italy TBA
1 July: Indonesia Pangkal Pinang
8 July: Indonesia Semarang
22 July: Czech Republic Loket
5 August: Belgium Lommel
12 August: Sweden Uddevalla
19 August: Switzerland Frauenfeld
2 September: Turkey Afyon
16 September: Netherlands Assen
30 September: Italy Imola