In 2010 Sam won the high bar title at the Youth Olympics and also claimed the Junior European all-around title in the same year. At senior level, he took fourth place in the high bar final at the 2011 European Championships. After injury he won high bar gold and all-around silver at the 2012 British Championship before going on to claim Olympic team bronze in London. In 2013 success came at the European Championships in the form of high bar silver. At the 2014 British Championships Sam won high bar and rings bronze, finishing third all-around the following year. In 2015 Sam took European silver on high bar for a second time in three years before most recently at the 2017 British Championships, Sam won parallel bars gold as well as pommel bronze.