2004:  Challenge US Traxx Deutschland-Cup Oval-Cup       2005:  Challenge Oval-Cup Ironman-Cup Kontinental-Cup       2006:  Challenge Oval-Cup Ironman-Cup Road-Cup       2007:  Challenge Oval-Cup Ironman-Cup       Team-Ranking   2008:  Challenge Oval-Cup Ironman-Cup Mod 66-Cup Rookie-Cup Pro-Cup Team-Ranking   2009:  Challenge Oval-Cup Ironman-Cup Mod 66-Cup Pro-Cup Race of Champions Team-Ranking   2010:  Challenge Oval-Cup Ironman-Cup Pro-Cup Race of Champions   Team-Ranking   2011:  Challenge Oval-Cup Ironman-Cup Pro-Cup Team Cup Race of Champions Team-Ranking   2012:  Challenge Oval-Cup Ironman-Cup Pro-Cup Race of Champions   Team-Ranking   2013:  Challenge Oval-Cup Double Dash       Team-Ranking   2014:  Challenge Double Dash Super Cup (Challenge + Double Dash)         2015:  Challenge             2016:  Challenge           2017:  Challenge             2018:  Challenge           Points Watkins Glen Brands Hatch Kyalami Mosport Rain Zandvoort Monza Nürburgring Spa Zeltweg 71 1. Carsten Grelck 562 94 96 94 90 92 96 2. Radek Petera 280 92 88 100 3. Harald Podzielny 94 94 4. Gregory Taber 88 88 5. Rainer Alpen 84 84