Logan,Utah--6/18/2005- .At 2:03 a.m., Erin McCormick, 24, of New York, N.Y., races up South Highway 66 near Porterville during section 18 of the race. During the night section of the race, competitors were required to wear a head lamp or flashlight and wear a reflective vest to be more visible to oncoming traffic. This was McCormick's 15th mile of the day during the two day, 170 mile long Wasatch Back Relay Race. 100 teams with either six or 12 members competed in the race which started at the Hardware Ranch in Logan and ended in Park City. The race was split into 36 section, each with varying lengths and difficulties, in which the team members each took turn running ..Photo By: Chris Detrick /Salt Lake Tribune.