Alys Thomas made her debut World Championships appearance at Budapest 2017 after she defended her British 100m Butterfly title in Sheffield.
At the World Championships held in the Hungarian capital, she competed in the Women's 100m and 200m Butterfly events where she achieved a top 15 finish in both.
Thomas (Wales) topped the podium for the second year in a row to win the Women's 100m Butterfly. She also collected two further medals, silver in the 200m Butterfly and bronze in the 50m Butterfly to round off a strong performance at the 2017 British Championships.
2016 saw a debut British title in Glasgow as she claimed the 100m Butterfly gold and followed that up with silver in the 200m event.
Thomas represented Wales at the 2014 Commonwealth Games in Glasgow and competed in the 100m and 200m Butterfly.
|4x100m Medley Relay||2017||3:59.51|
|100m Butterfly||2017 - Budapest||58.21||12th|
|200m Butterfly||2017 - Budapest||2:08.72||13th|
|4x100m Medley Relay||2017 - Budapest||3:59.51||7th|
|100m Butterfly||2014 - Glasgow||59.52||9th|
|200m Butterfly||2014 - Glasgow||2:08.62||4th|
|50m Butterfly||2017 - Sheffield||26.94||Bronze|
|100m Butterfly||2017 - Sheffield||57.85||Gold|
|200m Butterfly||2017 - Sheffield||2:07.87||Silver|
|100m Butterfly||2016 - Glasgow||58.66||Gold|
|200m Butterly||2016 - Glasgow||2:08.87||Silver|
|100m Butterfly||2015 - London||59.31||4th|