To post your runs to Facebook, follow the steps below:

iOS users:
  1. Open "Couch to 5k" or "5k to 10k" app
  2. Go to Log tab
  3. Select a workout that you would like to post
  4. On top right corner, press share icon
  5. Select Facebook to post your runs
Android users:   
  1. Open "Couch to 5k" or "5k to 10k" app
  2. Go to Log tab
  3. Select a workout that you would like to post
  4. On top right corner, press three points icon
  5. Click Share
  6. Select Facebook to post your runs
Note: Please make sure you have logged in Facebook before posting.