Central European triathletes dominate Double Iron ultratriathlon – analysis of participation and performance 1985–2011
Katrin Sigg,1 Beat Knechtle,1,2 Christoph Alexander Rüst,1 Patrizia Knechtle,2 Romuald Lepers,3 Thomas Rosemann11Institute of General Cosmetic Sets Practice and Health Services Research, University of Zurich, Zurich; 2Gesundheitszentrum St Gallen, St Gallen, Switzerland; 3INSERM U1093, Faculty of Sport Sciences, University of Burgundy, Dij