" Running mates are often chosen to balance the ticket. That is to create more widespread appeal for a ticket by expanding it appeal across geographic or ideological lines . This was especially true in presidential elections before the American Civil War when northern candidates were often paired with southern candidates and visa-versa. Electoral votes also play a part in modern presidential running mate selection. Vice-Presidential candidates are often from populous states with a large number of electoral votes that may be swayed by having a favorite son on the ticket. Road running or road racing is the sport of running on a measured course over an established road (as opposed to track and cross country running). Such a race is called a road race. Running Track Repair Road racing offers competitors a variety of challenges to overcome such as hills, sharp bends, varied pavement, inclement weather, and a large group to compete against- or with. Aerobic fitness, or the ability of the body to utilize oxygen, is important to have to complete the long distances. "

" It is defined in sporting terms as a gait in which at some point all feet are off the ground at the same time. It is a form of aerobic exercise. Jogging Jogging is a poorly-defined term which generally refers to a type of slow running, previously called "roadwork" when athletes in training, such as boxers, customarily ran several miles each day as part of their conditioning. In the 1960s or 1970s the word "roadwork" was mostly supplanted by the word "jogging" and this form of running became quite popular among many people at that time in the United States. Jogging is a "high-impact" exercise that places strain on the body, notably the joints of the knee. This is actually one of the basic reasons for doing the exercise, as the impact drives growth processes in the body. Some dropped jogging in order to take up "low-impact" exercises such as stair climbing. Construction Details Running Track Jogging can be combined with other kinds of exercising. Special trails that combine them are called trim trails. "