Richard Kresser loves a challenge. One of those has been on his radar for six years. The Arrowhead 135 is an endurance event held in Minnesota during one of the coldest times of the year. Temperatures are regularly below zero (Fahrenheit), including a record -42° in 2011. This does NOT include the wind chill! This race could be the anti-hero of the Badwater 135 and brings with it some very unique challenges including: