COMMONWEALTH GAMES: STANFORD’S Hayley McLean suffered disappointment on her debut appearance at the Commonwealth Games on Tuesday afternoon.

The 19-year-old 400m hurdler was knocked out in the heats in Glasgow after finishing fourth in 57.80 seconds – a time well down on her fastest personal best time this season.

Matters were made worse for McLean shortly after when track judges announced she had been disqualified for a “hurdle violation”.

McLean and her fellow 400m hurdlers were hit by last-minute schedule changes that did little to help their preparations.

Until the day before the heats, organisers had made the event a three-round competition, but at the last minute scrapped the semi-finals, meaning the heats became a run-off for the final.

The race was a disappointing end to a memorable week for McLean, who was competing at her first senior championships.

She attended the opening ceremony and even posed for a selfie with the Queen as she toured the athletes’ village in Glasgow.