OW...

Did the dreaded walk from work to home today.
That's roughly Don Mills/401 to Christie/Dupont.
Mapped out my walk on mapmyrun.com:

I walked a total of 16.86 km in 4.5 hours (including rest stops).

And now I know: no matter what gear you have, after a certain point, it doesn't matter. You're still fighting gravity and your own (i.e. my own) decrepit body.

You win again, gravity. Curse you, decrepit body.

Save me, ibuprofen, save me!