University of Louisville swimmer Kelsi Worrell Dahlia finished sixth in the world in the 100M butterfly finals at the FINA World Championships last night in Gwangju, Korea.

Kelsi Worrell Dahlia touched in 57.11 to take sixth. The event was won by Canada's Maggie MacNeil, who won in an upset of favorite Sarah Sjostrom of Sweden. Sjostrom took an early lead, nearly a second ahead of MacNeil, who made the turn sitting in fifth. MacNeil powered past her to win in 55.83 to the Swede's 56.22. Sjostrom had held all 10 of the all-time top 10 times in the event and was one of two women to ever break 56.

Australia's Emma McKeon won bronze in 56.61 and Elena di Liddo broke her own Italian record to take fourth in 57.07. Australia's Brianna Throssell (57.09), Worrell Dahlia (57.11), and Sweden's Louise Hansson (57.16) a nail behind. France's Marie Wattel took eighth in 57.29.