The Noble Canyon 50k is run each year in the beautiful mountains in east San Diego county. The course starts t at the Al Bahr Shrine Camp,& immediately connect with the Laguna trail, go down & then back up Noble Canyon, loop around the PCT, reconnect with the Lagunas, and finish back at the Al Bahr Shrine Camp. Some have described it as a lollipop shaped course.
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Information about the event is available in : English