RunGoo works great for Ultra marathoner.
Last October I ran my first 100 miler and tore up my feet so bad that I was out of commission for the rest of the year. My feet had blisters on the pads, toes, heals and sides of my feet from friction and sweat. I couldn't walk right for almost a week.  One of my fellow competitors recommended I try RunGoo.  This year I took his advice and it made all the difference. Over the course of another 100 miler I only developed three small blisters that developed from something getting between my sock and shoe.  RunGoo can stop a lot of things, but it can't fix whats between the sock and shoe!  This stuff works 100% as advertised.  It was worth every penny and I plan on start using this for all of my races.  If you plan on running ultras, you need this stuff!
Rating: 5 stars