I used the GPX Viewer for the Zion 100 and it worked well. It was endorsed by the Race officials. My question for the forum is if anyone has Used the GPX viewer for other Races and if it works well?
I plan to run the Western States 100 Solo. I would feel more confident If I could use the GPX viewer as a backup tool in case I get lost and if other runners have used the GPX viewer without issue.