Heartbreak for Sarah Healy as she crashes to the track just metres ...

Sharlene Mawdsley produces performance of her life to make final

Heartbreak for one, heroics from another. For Sharlene Mawdsley and Sarah Healy, the conflicting emotions underlined the cruel, bipolar nature of championships in Glasgow tonight.

Mawdsley produced the performance of her life to advance to the world indoor 400m final. Healy, meanwhile, had one of her toughest race finales, the Dubliner crumbling to the track in the dying strides, her medal tilt ended in an instant.