The Men's 100 metre backstroke event at the 2010 Commonwealth Games took place on 7 and 8 October 2010, at the SPM Swimming Pool Complex. Five heats were held, with most containing the maximum number of swimmers (eight). The top sixteen advanced to the semifinals and the top eight from there qualified for the finals. Heats summary Semifinals Semifinal 1 Semifinal 2 Final References Aquatics at the 2010 Commonwealth Games