Kimberley Woods claimed C1 women's gold for Great Britain at the Canoe Slalom World Cup series in Cardiff on Saturday.
Woods, 17, earned victory with a time of one minute 52.57 seconds, which included a two-second penalty.
Team-mate Mallory Franklin took bronze when a 50-second penalty on gate eight was overturned after review.
Britain's two-time Olympic silver medallist David Florence finished fifth place in the men's C1.