Hi Melissa and welcome to the group. I would also suggest you do a running program that alternates walks and runs gradually building up longer running time. Couch to 5k, also known as c25k is great and can be found at coolrunnings.com. There are a lot of other ones out there too, including one that SP has for a graduated increase. When you start running, start with a pace that is slower and comfortable. Trying to run too fast too soon leads to discouragement and burnout. Can also lead to injuries. This isn't a sprint to see how fast and how far you can run, but a marathon to be built up and trained for. I'm 56 and never started trying to run in my life if I could avoid it until last year. I really enjoy it now but I built up my distance slowly, working on building endurance instead of speed. You'll never know if you like it until you give it a shot!
Last is just the slowest winner."-C Hunter Boyd