Originally Posted by ShredSkelton
Got my road bike 1 year ago. Riding 6 days a week, about 30-40 miles per ride. This season, my average speed was increasing from about 15.5 to 17+. Average has been dropping off in the past couple of weeks...
It's entirely possible that you've become overtrained. If you can rule out any medical difficulties. Take a week off. See if you don't come back stronger. I don't ride as hard as you guys do. But in my strength training I usually take one week off every 16 weeks.