1. Vienna City Marathon

The Buzz -- A great atmosphere for spectators and runners alike. Runners can choose the full distance, a half-marathon or a relay-marathon. There are also events for children. Spectators can stand at some of the most famous sights and watch the 30,000 participants pass in various stages of distress. Get the best atmosphere in front of the State Opera House, at Schönbrunn, or near the finish at Heldenplatz.