I would like to know if after exercise is wudu is necessary for prayer or a proper bath or ghusl due to excessive sweating.
Sweating does not break Wudū nor Ghusl. Yes, if the sweat gives unpleasant odour then Ghusl is recommended. However, if the time of Şalāh is short (meaning you don’t have time to wash yourself properly) then pray Şalāh and there will be no need of repeating it.
Allah knows best.
Answered by Mawlana Mohamed Husein Qadri