The much more responsible approach is to follow the progression set forth in the linked thread.
It's also the progression that's more likely to lead to a positive first racing experience and a desire to return.
Going into your first race, nevr having ridden in a pack, or even worse never having ridden in a pace line, can be a recipe for problems.
So the firs part, join a club is a great idea. Join a club, ride with them for a bit, talk to them, learn from them, and then pin on a number.