<human>: Give me a shortened version of the text

Hi everyone.  I am new on this subreddit and wanted to start off by saying how inspirational and motivational you all are.  I am a 29 year old female who has been obese since I was 16 years old.  Have been on and off every diet imaginable in between those times and I have finally given up on the whole fad diet approach.  I have lost 40 pounds since last February by simply changing my lifestyle and eating habits.

I am still morbidly obese, but according to my last doctor visit I no longer have HTN and am very healthy for someone of my weight.  I have grown tired of doing circuit training videos at home in my living room and want to take full advantage of the beautiful fall weather that we are experiencing in NJ right now.  I want to get outside and enjoy it!

My ultimate goal when I lose more weight is to do the C25K, run a 5k, run a half marathon and onto a marathon.  Unfortunately, my knee hurts and clicks pretty bad after a couple jumping jacks so I would like to get more weight off before running. There are a couple of tracks around here that I want to start walking at but I was curious as to anyone's personal experience with phone apps for tracking distance.

Which app is your favorite?  Which is reliable as far as distance tracking, and can you run it in the background with a music player?  I have the c25k app but I am more interested in a distance tracker.  My phone is Android based.

I did a search for previous threads and came up with nothing but Walking Dead stuff haha.
<bot>: I need advice on an android based app for your phone that tracks walking distance, time, etc. that people here have had good results with.