You are having calcaneal spur
which can be treared both conservatively and surgically depending on the severity of disease, i strongly suggest you minimise the activities which will aggravate injury to foot, use prefabricated orthotics
which will support foot, do calf muscle excercise, use 90 degree splint
to foot at night. local injectable steroids
may releive a pain. consult orthopedician for further management.