what speed did burt munro do when he broke the speed record
Over the next years Burt became more known for his constant speed improvements and records on New Zealand beaches and roads. On January 29, 1940 he became the fastest man in New Zealand when he broke the national speed record with 120.8 miles per hour.ver the next years Burt became more known for his constant speed improvements and records on New Zealand beaches and roads. On January 29, 1940 he became the fastest man in New Zealand when he broke the national speed record with 120.8 miles per hour.