"You can hear her go down,” a neighbor said. “I think she probably hit her head on the concrete or this gravel on the side of the trail, it's horrible." READ MORE: https://www.king5.com/article/news/local/video-bicyclists-hit-pedestrian-on-sammamish-trail-sending-woman-to-hospital/281-751ad4f4-b9d6-4c94-9f0f-1dc40502175c