BBC Sport - Rio Olympics 2016: NZ's Mahe Drysdale wins gold by a tiny margin in the rowing men's single sculls

NZ's Drysdale wins gold by the smallest of margins

New Zealand's Mahe Drysdale retains his Olympic title by the tightest of margins as he finishes in the same time as Croat Damir Martin in the men's single sculls.

You can watch full coverage of the rowing here.

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