Participated in the 2010 Trek 100 for my second consecutive year, which began at Trek world headquarters in Waterloo, Wisconsin. Unlike last year, however, I rode with Gary Sampson. We both completed the 36-mile route. Those electing to ride the 19 or 36 mile routes were started in groups beginning at 9:30 a.m. Gary and I arrived just after 9 a.m. and were in the first group released onto the course. The day started off foggy with comfortable temperatures in the low to mid-60s. The weather forecast suggested a cloudy but rain-free morning, followed by showers in the afternoon. This forecast proved accurate. With the exception of a few sprinkles half-way through the ride, the weather conditions were nice. Skies occasionally showed peaks of sunlight, but were cloudy most of the time. The route was the same as last year's ride. I passed farm fields, lovely Rock Lake (near Lake Mills), and wooded sections with lovely homes near that lake. Compared with last year, I rode 12 minutes longer, 1.3 miles farther, but my average speed was 0.4 mph slower. During this ride, I passed the 4,000 mile mark for my Trek bicycle.