Running is a very common sport among millions of people. It's aeffective form of exercise and many people enjoy it. Two different forms ofrunning are track and cross country; two very popular and fun sports amongyoung people. There are also marathons, which are very long distanceraces. One of the good things about running is that you don't really need aGod-given talent to be good at it. All it really requires is flexibility, andcomfortable shoes . Running is an aerobic exercise that promotes circulation of oxygen toyour bloodstream and then to your organs and tissues. It builds up yourheart and keeps up your endurance. It also strengthens your leg muscles. It also helps keep your weight down, since you born more than 100 caloriesper mile! Another one of the things it does is keep your stress level down,and studies also prove that exercise, like running, helps you sleep better atnight.Track and field is a sport that features running. This is a sport thatcan be inside or outside. Track is are different kinds of races, with differentdistances. Field is about your skill at jumping and throwing. Track andfield rank with soccer as one of the two most popular sports in the world! Track consists of four types of races amid individual athletes:running, hurdle, steeplechase, and walking, and then the team races calledrelays. Running races consist of sprints, middle distance races, anddistance races, in order of their length. Hurdle races are events when therunners jump over things called hurdles. They vary in length. Steeplechase are 3000 meter races that involve hurdles and water jump. The runners have to jump over 28 hurdles, and must clear 7 water jumps. Walking races are just like the name says, you walk races according tospecific rules. Lastly, the team sport, relays, are run by four runners. Eachmember of the team will run a certain distance while holding a baton intheir hand and then when they reach the next team member...