Born in
Adelaide, Summers first had success as a junior, winning the Australian Under-16 Solo Championship in 2004. In his second season, he won the Premier League and the
Premier Trophy with the Monarchs, also riding for
Redcar Bears' Conference League team. In 2009, he stayed with the Monarchs, and the following year rode for
Birmingham Brummies in the Premier League and for
Coventry Bees in their title-winning
Elite League season. He was part of the Birmingham four who won the
Premier League Four-Team Championship, on 15 August 2010, at the
East of England Arena. In 2011, he began a four-year stay with
Redcar Bears in the Premier League and in 2012 and 2013 returned to the Coventry Bees Elite League team. In 2015 he left the Bears and signed for
Glasgow Tigers where he captained the team, doubling up in the Elite League with
Swindon Robins and ending the season with a 6.82 Elite League
CMA. He started the 2016 season with Tigers but with no Elite League place, but was signed by
Leicester Lions in April to replace
Grzegorz Walasek. He rode for
Berwick Bandits and
Peterborough Panthers during 2019 and remained with Berwick for the 2021 season. In 2022, he rode for the
Ipswich Witches in the
SGB Premiership 2022 and also joined the
Oxford Cheetahs for the
SGB Championship 2022. The Cheetahs were returning to action after a 14-year absence from British Speedway. After the 2022 season, Summers returned to Australia and retired from speedway. ==Honours==