Baine Douche sento
Where to shower or bathe
A runner-friendly sento -- pay, go inside and change into running gear (be careful to put your shoes outside first), leave your key with the attendant, go for your run, and come back for a relaxing bath.
Sento
Tokyo Running Resources, by Namban Rengo
A selection of places in Tokyo for runners: places to run, showers and sento, where to shop for running gear, where to get treatment for an injury, good restaurants for runners. Keep zooming out to see all entries.