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How long and how fast do you run? And when do you do your running/spinning? If you do it before BJJ class it`s only normal that you are done by the end of it.
Also, what does your BJJ class entail? Do you guys do alot of live drilling and rolling? Any conditioning?
And what do you eat? And when?
Also, how old are you? Belt? How long you been training for? Your resting HR? Height/weight/bf?
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