The Men's 20 kilometre individual biathlon competition at the 1964 Winter Olympics was held on 4 February, at Seefeld. The firing ranges were located at the following points on the 20-kilometer course: 6 km — 200 meter range, 10.4 km — 250 meter range, 11.8 km — 150 meter range and 17.1 km — 100 meter range. The first three series were fired from a prone position, the last standing. Each miss of the target cost two minutes.