Muhammad Ali was known for his exceptional speed and agility in the ring, despite his relatively large size and weight. There were several factors that contributed to his speed and mobility, despite his size.


Firstly, Ali had very good footwork, which allowed him to move quickly and efficiently around the ring. He was known for his ability to dance and shuffle, and his footwork was an important part of his boxing style.


Secondly, Ali had excellent reflexes and reaction time. He was able to quickly dodge and slip punches, which allowed him to avoid getting hit and maintain his speed and mobility.


Thirdly, Ali had a very efficient and relaxed boxing style, which allowed him to conserve his energy and move quickly and effortlessly around the ring. He was able to use his size and weight to his advantage, leaning on his opponents and using his body to control the pace of the fight.


Finally, Ali was a very fit and well-conditioned athlete, with a rigorous training regimen that included running, sparring, and other exercises designed to improve his speed, endurance, and agility.


Overall, while Muhammad Ali was a relatively large and heavy fighter, he was able to overcome these physical attributes with his exceptional speed, footwork, reflexes, and conditioning, which allowed him to become one of the greatest boxers of all time.