All this allows to distinguish between British, American, Swedish, Finnish school run. The English long considered the foundation training for middle distance runners, even running at distances from 2 to 20 miles a day. However, this method of training prevailed at the beginning of the century and in other countries of the European continent. Until the mid-30's British followed the rules "to train easily, without straining and distracting forces, however, later the British runners have run more" tough ", but within a limited time, paying equal attention to improving speed and endurance. Not believing in the feasibility large daily load, they, nevertheless, trained year-round, attaching great importance to cross and psychological preparation.