They are listed here. Perfect day for it, cool with blue sky.
My sister tripped and fractured her hip on the last mile. I also know someone who finished without any running training at all.
In youth, I ran 5 and 10 k races. Glad I gave it up before damaging my joints. Fun, though, mentally. I am an ex-runner, now just a gym rat. Much as I admire distance running, I think you pay for it eventually. Sprinting, no.