It is an annual summer pilgrimage for us “desert rat ultra runners” living in Phoenix. A chance to escape the sweltering heat and enjoy a sweet respite of cooler weather . Some locals may call us the weekend warriors of altitude, but nonetheless we are happy to migrate north for some of the best trail running our state has to offer in the summertime. No, Arizona is not just desert. I was first initiated into the beauty and benefits of a weekend away on the trails north of Flagstaff could be while training for my first 100 mile race, Angeles Crest back in 2007. The “old guard” of Arizona ultra runners had been using the …