Complex sentence: Three days later Kirstoff took another great victory when he won the Scheldeprijs, becoming the first ever to win the Three Days of De Panne, Tour of Flanders and Scheldeprijs in the same season.
Split into simpler sentences: Three days later Kirstoff took another great victory when he won the Scheldeprijs. Beeing the first ever to win the Three Days of Depanne, Tour of Flanders and Schelderprijs in the same season.