For the third consecutive year, Hyde Park hosts the Dextro Energy Triathlon London as part of the ITU World Championship Series, on August 6-7, 2011. The triathletes will have an opportunity to test themselves on the proposed 2012 Olympic Triathlon Course. 50,000 spectators are expected to come and watch.Watch the 2011 Dextro Energy Triathlon London live online.Please note: live stream might not be available in all countries. Check with the providers listed below.