Hannah Miley returned to the pool on Thursday morning after her gold medal-winning performance to move into the semi-finals of the 100 metres individual medley at the World Short-Course Championships in Istanbul.
The race consists of four lengths - one of each stroke - of a 25m pool and is therefore only contested in a short-course format.
The 23-year-old won the 400m individual medley on Wednesday night at the Sinan Erdem Dome when she saw off the challenge of Olympic champion Ye Shiwen.
Her time of one minute 1.19 seconds saw her progress in 15th for the 100m semis.
Miley, a double individual medley finalist in London, was not due to swim the four-length event but replaced Fran Halsall when the Loughborough swimmer withdrew. It means she will now compete in seven events.
Team-mate Sophie Allen was fastest through, the Stockport ITC swimmer touching in 59.20secs.
Rebecca Turner was 25th in the 100m freestyle, in which she was the sole Briton after Halsall withdrew earlier this week to concentrate on the 50m and the relays, while Rob Pavoni and Matthew Johnson both swam new personal bests in the men's 400m individual medley.
The men's 4x200m freestyle relay team made it through, Ieuan Lloyd leading off with a new Welsh record of 1:45.26 as they qualified seventh in 7:06.50.