The Swiss rider stood on the podium of the Grand Tour events numerous times including one victory.

He also stood on every podium step of the World Championship Road Race.

In addition, he won other one-day classics.

In short, Kubler won many of the important races of his day.

He raced against Gino Bartali and Fausto Coppi in one of the great periods of cycling during the post-war years.

In the Grand Tour events, Kubler won the 1950 Tour de France in front of Stan Ockers of Belgium and Louison Bobet of France.

Kubler was also 2nd in the 1954 Tour de France behind Louison Bobet of France.

In addition, Kubler won the Points Jersey that year.

Kubler was 3rd in 1951 Giro d'Italia behind Fiorenzo Magni of Italy and Rik Van Steenbergen of Belgium.

Kubler was also 3rd in the 1952 Giro d'Italia behind Italians Fausto Coppi and Fiorenzo Magni.

Kubler also had success in the one-day events, as listed below.

Kubler was also 2nd in the 1949 World Championship Road Race behind Rik Van Steenbergen of Belgium.

In addition, Kubler was 3rd in the 1950 Giro d'Italia behind Alberic Schotte of Belgium and Theo Middelkamp of Holland.

Kubler won the Liege-Bastogne-Liege Classic twice, in 1951 and 1952.

He also won the Fleche Wallone Classic twice, in 1951 and 1952.

In addition, he won the Championship of Zurich in 1943.