Yes, I'm a little obsessed with finding out how far I can walk in one day, but you won't have to read about it much longer. Tomorrow's forecast looks perfect: sunny skies, 24°C, and some good breezes to keep the air clear and me cool.
And even as I'm contemplating walking 30 km or so, I have to stop and just be awed by British marathoner Sara Hall's Fitbit data from her 2 hour 30 minute running of this year's London Marathon. Her average pace (3'35" per kilometer) is roughly three times faster than I'll go tomorrow. And given that she only took 28,914 steps to cover a marathon, her stride was a full 144 cm—just a few shorter than I am tall.
Also, don't worry about Parker. He's not coming on a five-hour walk with me. He'll be at doggy day camp.