Sled Dog Racing

ANCHORAGE, Alaska - Every human competitor now running the Iditarod Trail Sled Dog Race will be tested for alcohol and illegal drugs on the trail for the first time in the history of the 1,100-mile race - a change defending champion Lance Mackey believes is directed at him.

ANCHORAGE, Alaska - Both knees are shot, injected with synthetic cartilage until he can have surgery next summer.