One of the many reasons why heel striking is bad for running is that its the only cause of a painful lower leg condition called chronic compartment exertional compartment sydrnome. This condition is literally cured by landing with a forefoot strike when running!
2 problems with midfoot running that can be fixed by switching to forefoot running.
Can’t figure out how to run with correct form? Here are good running tips from Chi and Pose Running and find out what you are doing wrong.