The December Chill is an 8 hour sprint race put on by Infiterra Sports, the same folks that are behind March Madness, Spring Fury / Spring Fury Elite and Adventure Rage. Like all the Infiterra Sports events, the December Chill adventure race takes place in Michigan.

There are four divisions for the race:
* 2 person coed
* 2 person male
* 2 person female
* solo