Instruction: Where was the 2018 UCI Track Cycling World Championships held?

Context: The 2018 UCI Track Cycling World Championships were the World Championships for track cycling in 2018. They took place in the Netherlands at the Omnisport Apeldoorn from 28 February to 4 March 2018.

Response: The UCI Track Cycling World Championships were held in Omnisport Apeldoorn velodrome, in the Netherlands.