Central European triathletes dominate Double Iron ultratriathlon – analysis of participation and performance 1985–2011 In 1985, the first Double Iron Ultratriathlon in Huntsville, USA, was held.By the end of 2011, total 1,490 finishers reached the goal of such a competition.The finishers were mostly from Europe and the USA. The number of Europeans like the American took over the years, with the number of American men did not rise.Above all, starters from Europe were able to improve their performance over the last few years, which concerns the total time and the section times. The details can be found under https://www.dovepress.com/central-european-triathlets-dominate-double-iron-Ultratratriathlon-ndash-peer-reviewed-fulltext-article-oajsm