Kodiak Ultra Marathons by UTMB is a multi-distance trail running festival held around Big Bear Lake in the San Bernardino Mountains of Southern California. The event features a range of courses from short trail races to long ultras on technical, high-elevation mountain terrain, and is run under the UTMB brand. As part of the UTMB family, it brings international trail-running standards and competitive alma to the Big Bear area, drawing both recreational runners and elite ultramarathoners.