In the 1928-1929 season at the Melbourne Exhibition Speedway, Australian Colin Stewart won the prestigious Silver Gauntlet, which required the rider to win the feature race 10 times in one season. He won it 12 times. He also achieved success at an international level, racing for Southampton Saints in 1929 and captained Glasgow in the Northern League in 1930 before moving to Wembley Lions in 1931, for whom he rode in just four matches, averaging 4.00 points per match. He also raced in the 1930 Scottish Championship which was won by Wembley Lions' Harry Whitfield.