While a student at Ennistymon CBS, Rynne played both hurling and Gaelic football with the school, and was part of the senior teams in both codes when the school captured dual Munster PPS C grade honours in 2022, before losing both subsequent All-Ireland finals.
[1][2] At club level, Rynne began his career in the juvenile and underage grades with Inagh-Kilnamona and won a Clare MAHC title in 2021.
[3] He has also lined out with University of Limerick in various inter-university competitions, including the Fitzgibbon Cup.
[4] Rynne first appeared on the inter-county scene with Clare as a member of the minor team that endured a 40-point defeat by Cork in 2021.
[7] He claimed his first silverware as a member of the extended panel whe Clare won the National Hurling League title in 2024.