2010 Pan Pacific Swimming Championships – Men's 100 metre backstroke

The men's 100 metre backstroke competition at the 2010 Pan Pacific Swimming Championships took place on August 18 at the William Woollett Jr. Aquatics Center. The last champion was Aaron Peirsol of US. This race consisted of two lengths of the pool, all in backstroke. == Records == Prior to this competition, the existing world and Pan Pacific records were as follows: == Results == All times are in minutes and seconds. === Heats === The first round was held on August 18, at 10:59. === B Final === The B final was held on August 18, at 19:18. === A Final === The A final was held on August 18, at 19:18. == References ==