McColgan, who competed in the 3,000m steeplechase in London 2012, told BBC Sport: "I'm over the moon, I wanted it so badly. There is no pressure on me now, I couldn't be happier."
Eilish McColgan qualifies for women's 5,000m final at Rio Olympics
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Great Britain's Eilish McColgan qualifies for the women's 5,000m final at the Rio Olympics, four years after failing to make the steeplechase final at London 2012.
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