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I really enjoy practising sports. I played tennis for over 10 years and I am also a Taekwondo black belt.
My favorite sport however is running. I have run several half marathons and the Dublin's Marathon in 2007.
I love this sport because most of us don't have the athletic skill to compete in the Olympics or other similar high level athletic event. However running a marathon is a significant athletic goal that "normal" people can reach.
The distance itself is hard enough that we do not have to finish first to be successful. Simply finishing requires conquering ourselves and that's definitely the greatest challenge someone can face.