2018 World Rowing Championships – Men's lightweight single sculls

The men's lightweight single sculls competition at the 2018 World Rowing Championships in Plovdiv took place at the Plovdiv Regatta Venue.

Schedule
The schedule was as follows: All times are Eastern European Summer Time (UTC+3)

Heats
The two fastest boats in each heat advanced directly to the A/B semifinals. The remaining boats were sent to the repechages.

Repechages
The two fastest boats in each repechage advanced to the A/B semifinals. The remaining boats were sent to the C/D semifinals.

Semifinals C/D
All but the slowest boat in each semi were sent to the C final. The slowest boats were sent to the D final.

Semifinals A/B
The three fastest boats in each semi advanced to the A final. The remaining boats were sent to the B final.

Finals
The A final determined the rankings for places 1 to 6. Additional rankings were determined in the other finals.