Bike time trial

I had to ride 15k for time. I mapped out a 9.3 mile course using mapmyride.com. Unfortunately I did not ride it exactly as mapped. I remapped when I got home and mapmyride says I rode 9.1 miles. My bike computer said I rode 9.0. Regardless, it is a good benchmark for future time trials. I finished the ride in 26:06. It was rainy and miserable and I believe that the weather conditions effected my ride to some degree, but the ride was overall pretty good.