[ WP ] What is the longest sentence you can create while staying on subject and not turning it into a run-on sentence ?

At a quarter past seven on the morning of September the seventeenth, with a light breeze blowing, as her home town of Llanfair­pwllgwyngyll­gogery­chwyrn­drobwll­llan­tysilio­gogo­goch began to groan awake, Anastasia Hardwick-Cholmondeley, youngest daughter of Christopher and Christabel, went on her accustomed morning jog, down the hill which for generations had been home to her ancestors ( deinstitutionalised counter-revolutionaries all ), past the shops, out along the main road already sighing with traffic, beyond the houses thinning like hairs on a judge's head, out of the built-up world, into the green cool of the forest, down, down the valley, picking up speed with legs pumping arms pumping heart pumping until finally, breathlessly, gratefully, sprawling on the blanket of moss which covered the riverbank, laughing, hurting, free.
