| 52 from 13 nations|
28 Jul 2012 – 2 Aug 2012
| Dorney Lake, United Kingdom|
The men's lightweight coxless four competition at the 2012 Summer Olympics in London took place are at Dorney Lake which, for the purposes of the Games venue, is officially termed Eton Dorney.
Rowing at the 2012 Summer Olympics – Men's lightweight coxless four Wikipedia
All times are British Summer Time (UTC+1)
First three of each heat qualify to the semifinals, remainder goes to the repechage.
First three qualify to the semifinals.
First three qualify to the final.