Autism Spectrum More Condition_symptoms How Much Is Too Much Activity For A Child On The Autism Spectrum?

How much is too much activity for a child on the autism spectrum? - autism spectrum more condition_symptoms

My son's Taekwondo (3x per week), (spring and fall soccer)) (Summer tball), basketball (winter). We thought, boy scouts for him. But our concern is also stimiulation.
How much is too much for a 9-year old in the spectrum of autism?