An athletic contest in which participants compete without stopping in three successive events, usually long-distance swimming, bicycling, and running.
As defined by dictionary.com
A triathlon is a combination of 3 beautiful sports beginning with swimming, cycling then running. It’s an endurance sport that tests the limitations of human abilities. Its a mental sport just as it is a physical one, Triathletes must have a strong will power to be able to complete all three disciplines consecutively with no rest period in between. This makes triathlon one of the most impressive sports in the world and it’s gaining more and more popularity every year making it one of the fastest growing sports today.