Background
He was born in Kristiania as a son of merchant and factory owner Rasmus Agerup Langaard (1860–1908) and his wife Laura Nannestad Holmboe (b 1869).
He was born in Kristiania as a son of merchant and factory owner Rasmus Agerup Langaard (1860–1908) and his wife Laura Nannestad Holmboe (b 1869).
He represented the club Oslo TK. He participated at the Summer Olympics in 1912, 1920 and 1924. In 1912 he placed fifth in doubles, and in 1920 he placed fifth in doubles together with Jack Nielsen.