The ultimate endurance race as 1,000 run like a Para in Colchester
More than a thousand people have replicated the Paras toughest fitness test - a 10 mile run in Colchester - many carrying a 35lb rucksack.
Not to mention having to wade through thick mud and machine gun fire and all with a target to finish within 1 hour and 50 minutes.
It's what recruits have to do if they want to join The Parachute Regiment and Airborne Forces.
Watch Russell Hookey's report here