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US Open


2015 US Open Schedule

Round #1 Round #2 Finale
May 14-17, 2015 June 25-28, 2015 October 28-31, 2015
Dallas Karting Complex Grand Junction Motor Speedway Rio All-Suite Hotel & Casino
Caddo Mills, Texas Grand Junction, Colorado Las Vegas, Nevada



The US Open will provide North America with a true, international Rotax campaign along with the excitement of shifterkart classes.

Keeping with the international Rotax scene, all seven Rotax MAX classes will be offered at the US Open including Micro MAX, Mini MAX, Junior MAX, Senior MAX, Masters MAX, DD2 MAX and DD2 MAX Masters. Spec Honda classes will include Junior, Senior, Elite, Masters and Veteran.

Over $200,000 in cash and prizes will be awarded at the 2015 US Open, including Rotax MAX Challenge Grand Finals tickets for 2015 & 2016. A complete break down of awards is available HERE.


2015 US Open Information

Please visit www.MAXSpeedEntertainment.com for more information on the US Open series, including hotels, pit spots, rules and regulations and more



  • Colorado event registration can be completed HERE


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