July 28, 2003 (Hamburg, Germany) – Olympic winner Bart Brentjens and his teammate Carsten Bresser, German vice-champion, from Team T-Mobile were the overall winners held onto the leader's jersey from the beginning, until the finish. The winners of the hardest mountain biking race of the world were on their bikes for 28 hours, 45 minutes and 18 seconds in total. Second overall goes to Team Xenofit / Rocky Mountain / Focus with Karl Platt and Mannie Heymans in a total time of 29 hours, 47 minutes and 32 seconds. Tobias Heimkreitner and Andreas Strobel from Team Scott / Fiat Rotwild were third in the men's category with a time of 30:31.33.

Last year's winners of the women-category, the North American Team, Rocky Mountain Crystal Decision, with Gretchen Reeves and Lesley Tomlinson (Canada) retained their title winning the 6th adidas BIKE Transalp Challenge in 37:49.36, ahead of Kirsten Rösel and Sabine Schütz-Hadamik from Team HAI-Bike II with a total time of 38:12.17 and Rebecca Burbach and Susanne Juranek from Team Albgold / Felt-racing (38:36.05

The master-title of the adidas BIKE Transalp Challenge goes to the Scott Team with Pascal Ducrot and Hans Lienhart who finished with a total of 32:22.48. The adidas Naturns Team consisting of the Southern Tyrolian brothers Helmut Platzgummer and Walter Platzgummer were second at 32:39.27, Team Giant Fahrradshop-Intersport Spettel were third with a total time of 33:21.20.

After Katrin Schwing and Matthias Ball had quit the race Katrin Eller and Christoph Listmann from Team Scott / BIKE-Magazin won the mixed-category with a total of 34:41:37. Petra Dibiasi and Andreas Kofler were second (35:03.42), ahead of Team MBR 2RadChaoten.com from Vienna (35:09.25).

Each of the 764 finishers deserves to be feted as winners of the world's hardest mountain biking race and to be regarded with respect for having covered 652.19 kilometres, 21.521 altitude metres over 17 passes.

The this year's, 6th adidas BIKE Transalp Challenge lead the riders from 28 nations within 8 stages from Mittenwald (Germany) to Riva del Garda (Italy) via Reith im Alpbachtal (Austria), Kirchberg bei Kitzbühel (Austria), Neukirchen am Grossvenediger (Austria), Brixen (Italy), St. Ulrich im Grödnertal (Italy), Kaltern am See (Italy) and Andalo (Italy).