He finished 4th in the relay in 1989, and 5th in 1991 with the Soviet team.
Sild's best overall performance in the Orienteering World Cup was finishing 8th in 1996.
Other World Cup overall results: 1990: 16th; 1992: 12th; 1994: 20th; 1998: 24th.His sons Timo Sild and Lauri Sild are also active orienteers and competing at an international level.