Bumping for someone with more experience to answer.

Did you do the Couch to 5K?  Check around for another program to follow if you have.

I think most people on this forum have used C25K to get their start. Honestly, I find it the best and most painless way to reach a 5K goal. I had already began running when I found C25K and I joined at the two week mark because that was about where I was at. If you had already started running find what week you are doing now and put yourself in that week. I seriously recommend finding a thread of runners like yourself who are doing the same week. The motivation and support you get is fantastic.

Mike

If you're getting out of breath, slow down to a pace that allows you to talk out loud.  You'll be amazed at the difference it makes.