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 Monza Nürburgring Rouen Zandvoort Mexico City Mosport Rain Spa Monaco Silverstone East London 1. Carsten Grelck 824 85 93 96 0 82 89 96 88 93 90 94 2. Rainer Alpen 705 76 74 81 82 78 75 84 76 74 79 72 3. Manfred Haupenthal 537 0 0 78 0 66 0 85 74 84 64 86 4. Dave Curtis 401 67 73 73 0 69 0 60 0 59 0 0 5. Walter Zweiffel 311 75 0 79 0 0 0 0 0 79 78 0 6. Jens-Rainer Gudat 216 0 0 0 0 0 0 0 0 78 69 69 7. Christian Hatzenbichler 84 84 0 0 0 0 0 0 0 0 0 0 8. Karl-Jürgen Hilger 69 0 0 0 0 0 0 0 69 0 0 0