from my understanding the mx and hs are 2 different types of racing ( obviously ) and there for the answer i believe is no, you can run b class mx and 30+ c in hs. that is due to them being scored seperatly. so any points you would get for mx wont go towards hs and vice versa and if you happen to get enough points in mx to go to a higher class your class wont change in hs unless you get those required points as well. so its possible to be running in the A class mx and c class in hs. now not know what district you will be in my info could be wrong but thats how d6 is to my understanding.
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