American defending champion Jason Lentz. Photo / supplied
After an opening time trial, the woodchoppers went toe-to-toe in a head-to-head knockout format, taking on four disciplines - stock saw, underhand chop, single buck and standing block chop - one after the other in each round.
The Stihl Timbersports World Trophy returned to the international sporting calendar after a two-year absence.
A raucous crowd of 3500 was on hand at the Rathausplatz to cheer on the woodchoppers.