http://au.tv.yahoo.com/sunrise/video/watch/21273287/hang-glider-sets-two-records-in-a-day/

FAI announces it also:

100 km out and return record:

Performance: 90.41 km/h

Date: 2014-01-28

Course/Location: Nullarbor National Park (Australia)

Claimant: Jonny Durand Jr (AUS)

Hang glider: Moyes Delta Gliders Litespeed RX 3.5

300 km out and return record:

Performance: 71.28 km/h

Date: 2014-01-28

Course/Location: Nullarbor National Park (Australia)

Claimant: Jonny Durand Jr (AUS)

Hang glider: Moyes Delta Gliders Litespeed RX 3.5

Previous 100 km out and return speed record:
http://www.fai.org/fai-record-file/?recordId=5264

Performance: 75.73 km/h

Date: 1998-01-09

Course/Location: Eucla (Australia)

Claimant Tomas Suchanek (CZE)

Hang glider: Moyes Delta Gliders CSX-5

Previous 300 km out and return record:
http://www.fai.org/fai-record-file/?recordId=5288

Performance: 56.59 km/h

Date: 1998-02-12

Course/Location: Eucla (Australia)

Claimant Rohan Holtkamp (AUS)

Hang glider: Moyes Delta Gliders CSX-5

The Red Bull story and video
here.

Additional video
here.

Photos from Red Bull. Photographed by Mark.