The 2009 Challenge Series will consist of 6 triathlon races this year. The series will mainly consist of Full and Half iron distance races. In 2008 the series expanded from 3 races to 6 with the addition of 2 races in Spain and another one in Germany. The expansion of the series included adding 2 Half iron distance races to the mix, with both Spain and Germany getting the race distance and then Spain getting a Full iron distance race with the other race added in the country.
New Challenge Series Races in 2009:
- Challenge Costa Barcelona Maresme
- Challenge Costa Barcelona Maresme Half
- Challenge Kraichgau Triathlon Festival (previously Sparkasse Kraichgau Triathlon Festival)
New Challenge Series Races in 2010:
- Challenge Wanaka Half (Lake Wanaka Half)
- Challenge Copenhagen
- Challenge Walchsee-Kaiserwinkl
The Full iron distance race consists of a 3.8km Swim, 180km Bike and 42.2km Run (S: 2.4mi B: 112mi R: 26.2mi) while the Half iron distance race features a 1.9km Swim, 90km Bike and 21.1km Run (S: 1.2mi B: 56mi R: 13.1mi).
Some of the races in the series will feature a Relay Team option while the Challenge Kraichgau will also have an Olympic distance race option (S: 1.5km B: 40km R: 10km).