Yeah, kind of like running... I've been running for years, and I find the most common incidents running involve little kids or dogs. They have a tendency to dart out in front of you with no warning. I've hurdled a few kids and dogs at the local pedestrian path over the last couple of years, no harm done, scares the parents and thrills the kids! Bikes - I guess it's just watch out for everyone. There's quite a variety of people on that trail... Spanex to sandals. This guy was just toolin' along and... Ooops!