26.6 mi, or for the rest of the world, about 42.8 km. Fun stuff.

For whatever reason, I could discern that my body was having difficulty switching from aerobic metabolism to anaerobic, as I was breathing quite heavily and feeling very tired a bit into the ride. Finally, my body calmed down and switched mode, and my muscles took over. Maybe I haven’t been riding enough.

For the interested, here’s a map of my travels:

!http://www.sensoryoutput.com/wp-images/postings/callahan_thumb.jpg!:http://www.sensoryoutput.com/wp-images/postings/callahan_map.jpg