Originally Posted by billyymc

That stinks. Last year when I did this ride solo my gps cut out for about 10 miles - some of which was climbing - and while it corrected most of the mileage (the road was pretty straight there) it showed my Avg speed for the ride at 18.3mph. I was able to figure out my time - added a conservative 40 minutes for an average of about 17.5 or maybe a bit higher. But it still shows as 18.3 on ridewithgps - haha. My bike computer had me at 17.8, but that had a slight hiccup as well - go figure. I have a better GPS this year!