In 1989 Mack Lobell raced mainly in Europe with wins in the Hugo Abergs Memorial in Sweden, the Campionato Europeo in Italy, the GP von Bild in Germany and the Momarken Grand Prix in Norway. He was also mixing racing with breeding duties He returned to the United States for the International trot but was only third to Kit Lobell. After the International Trot John Campbell was replaced as driver and Mack Lobell won the Challenge Cup for a second time.