From [Aus-Soaring], Pam Kurstjens:

GFA has ratified the following record flown simultaneously by Allan Barnes and Matt Gage:

Australian Standard Class 750 Km triangle speed: 134.01 kph.

The pilots flew from West Wyalong on 08/02/2014, in 2 LS8/15m gliders, starting and finishing together, to achieve this simultaneous record.