The Zion 100 starts tomorrow Friday, April 10 at 6 AM from Virgin Utah. It runs up and down the canyons just outside of Zion national Park on similar rugged terrain.
I'll be bib#214 https://ultrasignup.com/live/live.htm?dtid=17755
I will not pass the first checkpoint at 35 miles until at least 1:30pm tomorrow.
Then I will have my spot tracker with me too.
http://share.findmespot.com/shared/faces/viewspots.jsp?glId=06g4gh8zLyKrdhzW3MlLMPY5B9nm1dRD9