According to Official Guinness Records,
The longest Tyrolean traverse measures 1,550 metres (5,085 ft 3 in) across the Malyovitsa and Orlovets peaks in Bulgaria. It was erected by the STISKALITI climbing wall team and crossed by Daniel Stefanov (Bulgaria) in 5 hr 34 min on 19 September 2008.
For a complete list of 2008 records, please visit 2008 Guinness Records in Bulgaria.