A 52-year-old Fairbanks truck driver averaged a speed of 110.6 mph to win Saturday’s Alcan 200, topping a field of 25 racers.

Racing in his fourth Alcan, Steve Cornwall stepped up this year to a 600cc engine installed in his 2000 XC 500 SP model Polaris machine. “It’s 18 more horsepower and I was able to go nine more miles per hour than last year,” he said.

Cornwall credited his win to mechanic Ken Persinger,…