Lyndon Rush of Canada is the leader halfway through the two-man competition at the World Bobsled Championships.
Rush, of Humboldt, Sask., and brakeman Jesse Lumsden of Burlington, Ont., laid down a combined time of one minute 51.59 seconds on their two runs down the 20-turn track at Mount Van Hoevenberg. They were just 0.12 seconds ahead of Steven Holcomb and Steve Langton of the United States.
Maximilian Arndt and Kevin Kuske of Germany were in third, 0.21 seconds behind the leaders.
John Napier and Christopher Fogt of the United States were seventh in USA-2, while teammates Nick Cunningham and Dallas Robinson were 10th in USA-3.
The last two heats are on Sunday.