I love to go running, Ive even been wanting to join a marathon but dont know too much about it though. 
that's awesome! Running can refer to any of  a variety of speeds ranging from jogging to sprinting
Yeah I suppose I'm more of a jogger, Do you know how many more calories a person burns running compared to walking? 
It depends on a person. some people can burn more by speed walking. 
Thats interesting. I generally jog in the mornings to prevent myself from getting sunburn. Do you do any jogging?
-mass mechanics is that changes in kinetic and potential energy within a stride occur simultaneously, with energy storage accomplished by springy tendons and passive muscle elasticity. The term running can refer to any of a variety of speeds ranging from jogging to sprinting.
It is assumed that the ancestors of humankind developed the ability to run for long distances about 2.6 million years ago, probably in order to hunt animals. Competitive running grew out of religious festivals in various areas. Records of competitive racing date back to the Tailteann Games in Ireland
List of forms of racing
List of different forms of racing.
Running.
Running is defined in sporting terms as a gait in which at some point all feet are off the ground at the same time. This is in contrast to walking, where one foot is always in contact with the ground. The term running can refer to any of a variety of speeds ranging from jogging to sprinting. Competitive running grew out of religious festivals in various areas. The origins of the Olympics are shrouded in myth, though