World record progression 100 metres backstroke

This is a history of the 100 m backstroke world record as swum in both long-course (50 m; Olympic) pools and short-course (25 m) pools—the two categories recognized/tracked by FINA.

Men long course

 * Correct as of April 2024

Men short course

 * Correct as of November 2023

Women long course

 * Correct as of June 2024

Women short course

 * Correct as of December 2023