Episode 35

In the Swim Chris spends the day with Britain's 800m Women's Freestyle record holder, 14-year-old Jackie Willmott from Southend. Jackie swims a gruelling 10,000m per day and starts her training at 4.30 every morning - going on till after dark with lessons squeezed in between. Will all the effort pay off? Watch the 1980 Olympics to find out!

The show’s own verdict is on its page.