The COSSA Championship on February 14, 2018 is a Nordic ski race open to eligible secondary school skiers in grade 9, 10, 11, and 12.

Morning race format is interval start with skiers going out every 30 seconds. Novice distances will be approximately 2km. Junior Girls and Junior Boys distance will be approximately 5km. Senior Girls and Senior Boys distance will be approximately 7.5km.

Afternoon race format is 4-person Team Sprint Relays: 4x800m. This is a mass start event. Teams may be formed only within schools and all skiers must be of the same gender and age category that they raced as in the morning.

Medals for first place and second place finishers, ribbons for 3rd through 6th.