This video, aimed at runners of all abilities, focuses on setting yourself realistic targets in preparation for the longer run. Liz is highly respected as one of Great Britain's finest female road, track and cross-country athletes. Scott Overall is a long distance runner, making his successful marathon debut in Berlin in 2011. The Olympic marathon on the 12th August 2012 will be his biggest race to date as one of the GB Olympic team. The experts share their running experiences and advice.