300 metres

The 300 metres is an uncommon (meaning not on an Olympic or World Championship program) sprinting event in track and field competitions.

All-time top 25

 * + = en route to 400 m performance
 * i = indoor performance
 * A = affected by altitude
 * OT = oversized track (> 200 m in circumference)
 * h = hand timing

Men (outdoor)

 * Correct as of February 2024.

Men (indoor)

 * Correct as of January 2024.

Women (outdoor)

 * Correct as of July 2024.

Women (indoor)

 * Correct as of March 2024.