I sure hope they work for your sake. 80 miles in the seat with shoes that are a "no" would suck. Maybe double bake them and try to bake once more before your ride? They are meant to mold several times, so it wont hurt the shoe any. If it doesn't work, you can say you tried them and sell them for pretty close to what you paid. If you do sell them, put them up on paceline or slowtwitch classifieds. Lots of views there and Bonts seem to sell pretty quick as well