Jay Lelliott first represented Great Britain at a senior international competition in 2014 at the European Championships and has continued to remain at the top end of British Swmming.
The British Championships 2018 saw Lelliott return to the British Championship podium for the first time in two years and did so in style by taking both the 400m and 800m Freestyle titles in Edinburgh, in doing so he secured his place on the Glasgow-bound European Championships team.
In 2017 Lelliott represented Great Britain at the World University Games in Taipei where he won silver in his preferred 400m Freestyle. At the same event in 2015, he was a double medallist after taking gold in the 400m Freestyle and silver in the 800m event.
Lelliott picked up his first senior international medal at the Berlin 2014 European Championships as he took the bronze in his preferred event, the 400m Freestyle.
He made is international debut at the Glasgow 2014 Commonwealth Games for Team England and narrowly missed out on a podium finish in the 4x200m Freestyle and also made the final of the 1500m Freestyle where he finished sixth.
|400m Freestyle||2018 - Glasgow||3:50.21||13th|
|800m Freestyle||2018 - Glasgow||7:58.67||17th|
|400m Freestyle||2014 - Berlin||3:47.50||Bronze|
|1500m Freestyle||2014 - Berlin||14:58.74||5th|
|1500m Freestyle||2014 - Glasgow||15:05.83||6th|
|4x200m Freestyle Relay||2014 - Glasgow||7:12.66||4th|
|200m Freestyle||2018 - Edinburgh||1:50.27||4th|
|400m Freestyle||2018 - Edinburgh||3:50.85||Gold|
|800m Freestyle||2018 - Edinburgh||7:57.31||Gold|
|200m Freestyle||2017 - Sheffield||1:49.06||10th|
|400m Freestyle||2017 - Sheffield||3:47.48||4th|
|200m Butterfly||2017 - Sheffield||2:01.57||12th|
|200m Freestyle||2016 - Glasgow||1:49.28||11th|
|400m Freestyle||2016 - Glasgow||3:47.68||Bronze|
|1500m Freestyle||2016 - Glasgow||15:23.90||5th|
|200m Butterfly||2016 - Glasgow||1:58.32||Bronze|
|200m Freestyle||2015 - London||1:50.25||13th|
|400m Freestyle||2015 - London||3:49.55||5th|
|1500m Freestyle||2015 - London||15:09.51||Bronze|
|200m Butterfly||2015 - London||1:58.04||Silver|
|400m Freestyle||2014 - Glasgow||3:49.64||4th|
|1500m Freestyle||2014 - Glasgow||15:12.70||Silver|
|200m Butterfly||2014 - Glasgow||1:59.57||6th|