Every year there are thousands of races in Britain, ranging from 5K charity jogs to ultra events and with options over trail, countryside, fell, track and road. Some runners cram in races every weekend, but if you want to maximise your
the marathon distance, for example, choose a specific race and then periodise your training to make sure you peak for that event."Periodisation involves dividing up your time into three sizes of cycle – macrocycle, mesocycle and microcycle. The entire period
