A preliminary round game between Canada and the United States was played outdoors at New Era Field in nearby Orchard Park, New York on December 29, 2017.

[4][5] On July 28, 2015, USA Hockey named the five initial finalists for hosting the event:[6] Chicago and Tampa were eliminated on September 15.

[9] Referees Linesmen The preliminary round was a two group of five teams each internal round-robin format, followed by a three-round playoff.

(Eastern Standard Time – UTC-5) Note:  Belarus was relegated to the 2019 Division I A GP = Games played; G = Goals; A = Assists; Pts = Points; +/− = Plus–minus; PIM = Penalties in minutesSource: IIHF [11] (minimum 40% team's total ice time) TOI = Time On Ice (minutes:seconds); GA = Goals against; GAA = Goals against average; Sv% = Save percentage; SO = ShutoutsSource: IIHF[12] Most Valuable Player Casey Mittelstadt All-star team IIHF best player awards The Division I A tournament was played in Courchevel and Méribel, France, from December 10 to 16, 2017.

The Division III qualification tournament was played in Cape Town, South Africa, from February 5 to 7, 2018.