Watch the video after you read this. It is totally amazing!!!
A son asked his father, 'Dad, will you take part in a marathon with me?'

The father who, despite having a heart condition, says 'Yes'. They went on to complete the marathon together.

Father and son went on to join other marathons, the father always saying 'Yes' to his son's request of going through the race together.

One day, the son asked his father, 'Dad, let's join the Ironman together.' To which, his father said 'Yes' to.

For those who didn't know, Ironman is the toughest triathlon ever. T
he race encompasses three endurance events of a 2.4 mile (3.86 kilometer) ocean swim, followed by a 112 mile (180.2 kilometer) bike ride, and ending with a 26.2 mile (42.195 kilometer) marathon along the coast of the BigIsland ..

Father and son went on to complete the race together