Kristoffer Halvorsen is a Norwegian former racing cyclist, who competed as a professional from 2016 to 2023.

Grand Prix d'Isbergues is a professional cycle road race held in Isbergues, Pas-de-Calais. Since 2005, the race has been organised as a 1.1 event on the UCI Europe Tour. A women's race was added in 2018 as a 1.2 event.