Olympic and World 400 meter Champion Christine Ohuruogu gives her impressions ahead of the IAAF Golden League 2009.

She also give invaluable tips on mental strength, racing and race preparation.

Ohuruogu’s Personal Best of 49.61 ranks her third amongst British women 400m runners, behind fellow Olympic medallists Kathy Cook and Katharine Merry.

Personal best(s)

• 60m - 7.54 s
• 100m – 11.35
• 200m – 22.85
• 400m – 49.61