According to Official Guinness Records,
The longest vegetarian sausage measured 101 m (331 ft 4 in) and was achieved by Metzgerei Schnitzel e.V. (Germany) in Dusseldorf, Germany, on 8 May 2010.
The long "sausage" was barbecued entirely in one piece.
For a complete list of 2010 records, please visit 2010 Guinness Records in Germany.