Ironman Triathlon interested participants. In 1990, with the help of Lew Friedland, Dr. James P. Gills acquired and purchased the Hawaii Triathlon Corporation, owner of the Ironman brand, for $3 million from Silk. With the Ironman brand, Gills established the World Triathlon Corporation with the intention of furthering the sport of triathlon and increasing prize money for triathletes. A number of non-WTC full distance triathlons have been held since the mid-1990s. The limited number of WTC-sanctioned events, and the limited number of entries available per race, have combined with a growth in the sport that has created demand for these non-trademarked events.
2013 ITU World Triathlon Series Final in London included the World Championships for Under 23, Junior and Paratriathlon division, which were decided over a single race. Elite level competitors were crowned champions based on the final WTS point standings. The 2013 series visited eight cities around the world. Overall rankings after all 8 events 2013 ITU World Triathlon Series The 2013 ITU World Triathlon Series was a series of eight World Championship Triathlon events that led up to a Grand Final held in London in September 2013. The Series was organised under the auspices of the world governing body of triathlon, the International Triathlon Union