I ran competitively when I was younger. I used to love running, but got bored of the races, running on boring tracks, etc. so I quit.
I started running again (but not seriously) in the fall, because I was wanting to do something different to exercise.
This run is one that's held every spring in Vancouver, and it's always been something I've wanted to do. I decided in the fall (after realizing again how much I loved running) that this would be the year for me to do it. I'm not going to be fantastic or anything - my goal is just to complete it. Next year I'll work to improve my time.