| Medal record | ||
|---|---|---|
Representing  Denmark
| ||
| Men's canoe sprint | ||
| Canoe Sprint World Championships | ||
 |
1987 Duisburg | K-2 10000 m |
 |
1985 Mechelen | K-4 10000 m |
| Men's canoe marathon | ||
| Canoe Marathon World Championships | ||
 |
1988 Nottingham | K-2 marathon |
|
1990 Copenhagen | K-2 marathon |
Lars Koch is a Danish sprint and marathon canoeist who competed in the mid to late 1980s. He won two medals at the ICF Canoe Sprint World Championships with a silver (K-2 10000 m: 1987) and a bronze (K-4 10000 m: 1985).