i did my first metric century road ride of the year this weekend. got sun burned too. I broke a personal best of 18.7mph average over the 65 miles, solo. could have been faster but i got board during the last 20 miles.
two weeks ago i did an extended mtb ride of 44 miles road and 26 miles single track. that one hurt.
anyhoo good luck on the start of a new year of riding.