Runners will start the race out on what is known as the Medical Spring Highway, or Route 203, at an elevation of just over 3,900 feet above sea level. From there, they’ll follow Route 203 for nearly the entire race course — following roughly in parallel with Catherine Creek, from which the race gets its name — running northwest toward Union as the course loses just over 1,100 feet in elevation from the starting line to the finish back at the high school.
Note: The course map above provides the approximate route for the race. Though every effort has been made to ensure its accuracy, changes are sometimes made to race routes due to weather conditions, road closures or other circumstances that can require a course to be changed. If you see an error above, email us here.