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

Short course

Women

Long course

Short course

All-time top 25

Men long course

• Correct as of August 2025

Men short course

• Correct as of December 2025

Women long course

• Correct as of March 2026

Women short course

• Correct as of October 2025

References