What is the fine-grained topic of the following text: Red Wing, MN â€“ Sept. 8, 2009 â€“ Vasque athlete, Duncan Callahan continues his epic season with a victory and new course record of 7:33 at the Grand Teton 50 mile trail race this past Labor Day weekend at Grand Targhee Ski area in Alta, Wy. Only return the topic.
Duncan Callahan's victory and record at the Grand Teton 50 mile trail race