LIFE'S TOO SHORT FOR A SHORTCUT. The BAC Trail is an unsupported bikepacking event that takes you through the beauty of three countries connected by one border - Bavaria, Austria, Czech Republic. Share this unique experience with other passionate cyclists and immerse yourself in the Bavarian-Bohemian culture and landscape. Stroll along the countless rivers, dip into the lakes, visit castles or just enjoy the view from the peaks. Why shorten the trip? If the way is long and beautiful.