ROBERT HEFFERNAN produced a career best performance to finish sixth in a sensational 20k walk at the world championships in Osaka yesterday.

Ireland's Robert Heffernan battled his way to a sixth place finish in the 20 kilometre race walk final in Osaka earlier this morning to continue the feel-good vibe in the Irish camp at the 2007 IAAF World Athletics Championship.

GILLIAN O’SULLIVAN has predicted that tomorrow’s world cup race will answer a lot of questions as the build up to the Olympic Games in Athens enters a new phase.

ROBERT HEFFERNAN became the 10th Irish athlete to qualify for the Athens Olympics when finishing 6th in the 20km Walk at the IAAF Grand Prix Challenge in Mexico yesterday.

Jefferson Perez of Ecuador has won the gold medal in the men's 20 kilometre walk, in a world record time of one hour 17 minutes and 21 seconds at the World Athletics Championships in Paris.