“If you think of running with us, you’re loco. If you make it to the race, you’re mas loco.” October 6, 2011 By Christopher Caballo in Sweden, looking ready and rested for another Copper Canyon Ultramarathon. Mexico is in his blood, but Nordic countries sure seem to agree with the rest of him. Registration is already running high for the 2012 CCUM. With six months to go, 42 international runners have already signed up .