Lowney played in a second successive Fitzgibbon Cup final on 12 February 2020. Lining out at right corner-back, he ended the game with a second successive winners' medal after the 0-18 to 2-11 defeat of the Institute of Technology, Carlow.[3]
Clonakilty
Lowney joined the Clonakilty club at a young age and played in all grades at juvenile and underage levels, enjoying divisional championship success in several grades as both a hurler and Gaelic footballer. In 2013 and 2015 he won Premier 2 MFC titles following defeats of Inniscarra and Bantry Blues.[4][5]
Lowney subsequently progressed through the under-21 grade before joining the Clonakilty adult teams in both codes. He won West Cork Junior Championship titles with the Clonakilty hurling team in 2015 and 2017.[6]
Cork
Minor and under-21
Lowney first played for Cork as a member of the minor football team. He made his debut on 4 August 2014 in a 2-14 to 1-13 All-Ireland quarter-final defeat by Dublin.[7] Lowney was eligible for the minor grade again in 2015 and lined out for both the hurling and football teams as a dual player. He made his hurling debut on 8 April 2015 in a 2-20 to 1-13 Munster quarter-final defeat of Limerick.[8] Cork's respective campaigns in both codes ended with Munster semi-final defeats.[citation needed]
Lowney made his first appearance for the Cork under-21 hurling team on 13 July 2017 when he came on as a substitute for Chris O'Leary in a 2-17 to 1-19 Munster quarter-final defeat of Waterford.[9]
On 4 July 2018, Lowney won a Munster Championship medal following Cork's 2-23 to 1-13 defeat of Tipperary in the provincial final.[10] On 26 August 2018, he was at right corner-back for Cork's 3-13 to 1-16 All-Ireland final defeat by Tipperary.[11] It was his last game in the grade.[citation needed]
Senior
In 2017 Lowney was added to the Cork senior hurling team as a member of the extended panel.[12] After a year away from the panel, Lowney was one of a number of players who were recalled or added to the senior squad prior to the start of the Munster League in December 2018.[13] He made his first National Hurling League appearance on 27 January 2019 when he was introduced as a 50th-minute substitute for Conor O'Sullivan in a 2-18 to 0-17 defeat by Kilkenny.[14]