The men's K-1 1000 metres competition at the 2023 ICF Canoe Sprint World Championships in Duisburg took place in Sportpark Duisburg.

[1] The schedule is as follows: The five fastest boats in each heat and fastest 6th ranked boats advanced to the semi final A.

Rest boats advanced to the semi final B.

[12][13][14][15] Competitors in this final raced for positions 46 to 53.

[16] Competitors in this final raced for positions 37 to 45.