The first time I fell over was when I had my new Garmin, and I was looking at that instead of where I was going and tripped over the kerb. I fell over doing the Totnes 10k a few years ago (my husband has fallen over on that course too) and a few months ago I was running locally and had to jump over a small wall. I didn't catch myself on the wall but I didn't land well and ended up on the floor. Fortunately I've never done myself any real damage and have been able to complete my run.
If people are spread out across the whole path, then I do expect them to move - I don't see that I should put myself into the path of cars because they are too lazy to move, the path is for everyone - there should be room for people to overtake or pass if coming from the opposite direction. However, I don't experience it any more when I am running than when I am walking. I live near a school and more fool me if I go out any time near school run time - either walking or running - double buggies and those infernal scooters. The mummies (sadly it is generally the mothers) just expect me to run or walk in the gutter and get run over.
If there's plenty of room or it's a quiet road I'll pass by going into the road and then get back onto the pavement once past. I only get annoyed if they won't give me any room and a car is coming.
When I am driving, I would like to see runners stay on the pavement and not act like cyclists. If there's no pavement, you can't use it, but if there is one, please do.
In return, will drivers please give way to me as a runner (or walker) if you are turning into a side road that I am already crossing, or, hurry up and turn into it and go, so that I can cross. The number of drivers who turn into the road and then crawl past so that I can't cross is amazing. Why do they do that? Get past and out of the way!
Yesterday I was shopping in a local town and saw a family with a dog cycling on the pavement, in the middle of the town centre with all the shoppers! Posh bikes and plenty of lycra on display.
All the gear and no idea, as they say. No common sense but plenty of sense of entitlement.
Personally I think it's ok to ride on the pavements if you are not inconveniencing pedestrians (ie if there aren't any around, or if you get off and walk past them and then go on your way again once past them). It's much safer than taking your chance on the roads with the crazy drivers who think you have no right to be there.