Low was also an athlete, and he played ice hockey for two famous ice hockey teams, the McGill Hockey Club, considered the first organized hockey club in the world, and the Ottawa Hockey Club. In 1883, he played goaltender for the victorious McGill Hockey Club in the 1883 Montreal Winter Carnival. The championship is considered the first Canadian championship. After moving to Ottawa in 1883, he was a founding member of the Ottawa Hockey Club, formed within weeks of the 1883 tournament. In 1884, he would return to the Montreal Winter Carnival tournament as Ottawa's goaltender and shutout McGill. He was a member of the Ottawa Hockey Club until 1889.