C.J.W. wrote:Wan Lai Sheng might be old-school compared to us, but keep in mind he was among the first generation of CMAists who were exposed to Western boxing as well as systematic athletic training. He even taught for years at various government-funded provincial sport colleges throughout his life. As for Sun Lu Tang, there are indeed accounts of him being extremely agile and fast on his feet. But I've not come across any account of him using running as a means to acquire those abilities.
Wan Lai Sheng used to do all kinds of modern military training from his days in the Nationalist army. Running, swimming and push-ups come to mind. But he would also sometimes do the Ziranmen version of circle walking at a sprinting/running pace. His teacher Du Xing Wu could "circle walk" extremely quickly (one news reporter described it as a "blur") and was well known for parkour like stunts (running up walls, running across beams etc) as was Sun Lu Tang. I guess it depends on whether you classify doing xing yi line practice or circle walking at a runners pace or running or not?