My annual benchmark solo century to Amherst, NH. I tweaked this one to add a hill in Amherst, NH (though I could not escape having to do a mile on packed dirt descending to NH-101 south), and went Dow Road in Hollis, NH (to avoid the busier Depot Road). Weather was perfect: started in the mid-50's and slowly rose to the low 70's by the end, with partly to mostly cloudy and no wind. I felt like I went out fast, but once I was on a 17.5 mph pace, I managed to hold it through the end. Only stop at 60 miles the second time through Hollis, NH, for the obligatory breakfast sandwich at the Hollis Country Store. My only mistake was not bringing the saddle cream, which I could have used. My butt was sore and a little chafed by the end. I have a new saddle (the more recent version of the one on the Mooney), but either the seat angle is not quite right or the saddle isn't totally broken in, because it's not quite as comfortable as the other one.
I drank just 3 bottles of water with PowerBar Perform, though I had an Arnold Palmer iced tea and lemonade in Hollis.
Last 15 miles I could feel the fatigue, but managed to keep the cadence relatively high and the average speed was about the same. The "hills" on Providence Road in Westford, River Road in Concord, and Pope Road were tougher than usual, but I would have expected that for a the high average speed that I maintained. Fastest solo century yet. The recovery smoothie with protein powder is helping.