Barr had a number of clubs:- Esk Valley Banthams, Lasswade. West of Scotland, Stirling County, Edinburgh Academicals, Police Scotland, Selkirk, Musselburgh and Lasswade again. While at Musselburgh he suffered an injury which impacted his playing career, which made Barr finish his career at Lasswade.[2] He also played for the East of Scotland College of Agriculture and Oatridge College.[1]
He became a president of Lasswade and held that position for 15 years.[3]
He was elected onto the SRU council in 2012. He had two years on the SRU board from 2017. He was an Ambassador for the Scotland U20 from 2013 to 2017.
He was voted a vice-president of the SRU in 2018.
Barr became the 129th president of the SRU in 2020. His term in office is scheduled to be from 2020 to 2022.
Barr is a qualified strength and conditioning coach with the SRU.[4]