" Aerobic fitness, or the ability of the body to utilize oxygen, is important to have to complete the long distances. Anaerobic fitness, that is, the body's capability at responding when there isn't enough oxygen for the muscle, is necessary to charge up hills and past competitors on the finish line . A common saying for runners is that the sport is 90% mental. Recreational running became popular due to high-profile runners such as Steve Prefontaine. Race courses are usually held on the streets of major cities and towns but they could be on any sealed road. Most road races are either 5 km (3. 1 miles), 10 km (6. Beginner Marathon Running2 miles), half-marathon (21. 097 km, 13. "

" 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. In this case, the governor and lieutenant governor run separate campaigns and can be from two different political parties. History Marathon Running This was the case when George W. Bush was Governor of Texas. "