Angus placed 4th at the 1972 English National Cross Country Championships[5] and later that year was part of the winning England team at the World Cross Country Championship.[6] He made one further appearance at the World Cross Country Championships in 1975, Rabat, Morocco.
Angus won the 1974 edition of the Košice Peace Marathon[7][8] in a field that included future double Olympic Champion Waldermir Cierpinski, Ron Hill and Jack Foster.[9] He moved to Nottingham in September 1974.[10] He then twice finished on the podium in the marathon event at both the 1975 AAA Championships and 1976 AAA Championships.[3] The 1976 AAA marathon also acted as the 1976 Olympic trial; it was run on a warm and testing course at Rotherham, and Angus set his personal best of 2:15.55,[11] beating more fancied names that included the then world record holder Ian Thompson, Ron Hill, and Bernie Plain.[12]
Angus won the 1975 CAU Intercounties 20 mile at Derby.[13] At the 1976 Olympics Games in Montreal, he represented Great Britain in the marathon.[14]
He was a teacher at Tapton House School in Chesterfield,[15] where he resides.