" Events are usually grouped into several classes, each requiring substantially different athletic strengths and involving different tactics, training methods, and types of competitors. Running affects not only the body, but the mind as well . Runners who finish a great run are often said to have a "runner's high" - a strong feeling of accomplishment and pride. Some sources point to the origin of a runner's high being increased endorphin production as a result of exercise. Running injuries There are many injuries associated with running (due to it being a high impact activity). Common injuries are "runner's knee" (pain in the knee), shin splints, pulled muscles (especially the hamstring), "jogger's nipple" (soreness of the nipple due to friction), twisted ankles, and Iliotibial Band Syndrome. The most common running related injuries are due to over-use. Running Shoes Type Repetitive stress on the same tissues without enough time for recovery or due to improper form or muscle imbalances, leads to many of the above. Generally these can be minimized by warming up beforehand, wearing proper running shoes, improving running form, performing strengthening exercises, and getting enough rest. "

" Mike + the Mechanics (Genesis's Mike Rutherford's band) paid tribute to the movie with their song "Silent Running" A running mate is a person running for a subordinate position on a joint ticket during an election. The term is usually used in reference to a prospective vice president of the United States, who the prospective president appoints sometime during the course of the election campaign. The term is also applied in US states where the governor and lieutenant governor run together on the same ticket. In American presidential elections, the vice-presidential candidate is chosen by the presidential candidate. In some states, the gubernatorial candidate chooses his/her running mate while in other states parties hold separate ballots for governor and lieutenant governor. The two then run together as running mates in the general election. In some states, separate elections are held for governor and lieutenant governor. Cheap Running Saucony Shoes In this case, the governor and lieutenant governor run separate campaigns and can be from two different political parties. This was the case when George W. "