This time of the year, I have to stop to remove a layer to keep from overheating. That is my only stop, literally. I ride 15 miles non-stop door to door. Usually strip down in Georgetown at the end if the CCT, or near the Tidal Basin. Depends on how far I make it. 10 degree temperature increase in the first five miles. I hate freezing for 20 minutes first thing in the morning.