11+ miles @ ~11.9 min/mi

The weatherman promised cooler and drier but didn't deliver, or at least not enough for my comfort ... but the Sunday morning circuit (home to Bethesda and then north around NIH and back via Rock Creek) was fun and pain-free at a 1:1::jog:walk ratio. Lots of walkers, runners, and cyclists on the road 7:30-10:00am, including one who said "Hi Mark!" as he zipped by too fast for me to recognize him. (I think it was Tom Temin, based on a later communication.) My high-tech sweatband worked well, but GPS signals were weak (tree canopy blockage? Homeland Security jammers? overhead power-line interference? low battery?) and I only got one fix, on Cedar Lane near the fire station at the corner of Old Georgetown Road [1] ...