Swim 2.4 miles in Lulworth Cove (near the home of the Royal Armoured Corps Training Regiment, where all our soldiers are trained).

Bike 112 miles from Lulworth Cove to Combermere Barracks, Windsor (home of the Household Cavalry Regiment)

Run 26.4 miles from Combermere Barracks to Knightsbridge Barracks, London (home of the Household Cavalry Mounted Regiment).

All in no more than 17 hours...