What about the friend and the racing. Did you explore that any further? A hobby that you really enjoy would be good for you. Maybe try a new meetup for something you would never expect doing, get out of your comfort zone. Just be careful about getting needs met with other woman you might meet. It would be a greater benefit right now to develop new male friendships and learn to be single. You would do well exploring yourself and growing into the new person your beginning to become.
Accept what is, let go of what was, and have faith in what will be