Triathlon is a TV show on British national television from Channel 4 with an average rating of 3.0 stars by TelevisionCatchUp.co.uk's visitors. We have 22 episodes of Triathlon in our archive. The first episode of Triathlon was broadcast in April, 2014. Did you miss an episode of Triathlon but don't you wan't that to happen in the future? Please set an alarm and add Triathlon to your favourites, so we can remind you by email when there's a new episode available to watch. For free!