Irwin's first World Cup race was the downhill at Schladming, Austria on December 22, 1973 where he placed 14th. Two years later at Schladming, he won the downhill event in a time of 2:00.84 beating the second-place finisher, Klaus Eberhard by almost two seconds.
Irwin's first World Cup race was the downhill at Schladming, Austria on December 22, 1973 where he placed 14th. Two years later, also in a downhill event at Schladming, Irwin won with a time of 2:00.84, beating second-place Klaus Eberhard by almost two seconds.