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 initial World Cup race was the downhill at Schladming, Austria on December 22, 1973 where he came in 14th. Two years later, Irwin won a downhill event at Schladming with a time of 2:00.84, outperforming Klaus Eberhard by nearly two seconds.