Trips Isabel, causing the machine to push her away

(chapter originally by worlddominator at writing.com)

Isabel tripped hitting her head on the machine before getting flung off the machine because of the speed. As she fell, the treadmill was automatically stopped. Seeing how Kelly technically won that challenge and Isabel was now in a dazed state. Kelly stopped her treadmill as well and approached Isabel. "To the victors go the spoils" said Kelly as she pulled off Isabel's spandex shorts. Her panties got shifted down almost showing her pussy. As Isabel got up, she suddenly noticed her state of dress and covered up.

"Hey," said Isabel, " Give those back"

Kelly said, "How about no?", as she ripped them enough so that they couldn't be worn.

"Hey," said Isabel," How am I supposed to go home dressed like this?"

"Well," said Kelly, "We could give you back your tank top.."

"Really?" said Isabel.

"If you beat me in a challenge," said Kelly

The Next Challenge was