The men's 50 kilometres walk at the 2008 Summer Olympics took place on August 22 at the Beijing National Stadium.

[1] The qualifying standards were 4:00:00 (A standard) and 4:07:00 (B standard).

[2] Prior to this competition, the existing world and Olympic records were as follows: The following new Olympic record was set during this competition.

OR - Olympic Record / PB - Personal Best / SB - Season Best / NR - National Record / DNF - Did Not Finish / DQ - Disqualified / DNS - Did Not Start s.t.

- same time.