BERLIN — Tucker Fredricks upset the favored South Koreans to win the 500-meter race Sunday for his sixth career speedskating World Cup victory.

Fredericks clocked 35.06 seconds to edge Lee Kang-seok and Lee Kyou-hyuk, who were both timed in 35.10, with Lee Kang-seok getting second place on a photo finish.

There was another American victory when Shani Davis set a course record in winning the 1,500 meters. Davis, the 1,000-meter Olympic champion, covered the distance in 1 minute, 44.47 seconds in the opening meet of the season.

Davis was more than a second faster than Havard Bokko of Norway, who took second in 1:45.56. Denny Morrison of Canada was third in 1:45.69.

Christine Nesbitt of Canada equaled the course record in winning the women's 1,500 in 1:55.54. Martina Sablikova of the Czech Republic was second in 1:56.99 and another Canadian, Brittany Schussler, third in 1:57.26.

Jenny Wolf of Germany posted her 41st World Cup victory and broke the course record in winning the 500 in 37.52 seconds. Wang Beixing of China was second in 37.94 and Annette Gerritsen of the Netherlands took third in 38.27.