Couch to 5k and 5k to 10k apps use GPS to track progress with total distance and average pace. To activate GPS for your phone and the app, follow these steps:
 
IOS users:   
  1. Go to Phone Settings
  2. Tap Privacy
  3. Tap Location Services
  4. Select On for Location Services
  5. Tap Couch to 5k/5k to 10k app
  6. Check While Using the App/Always 
Note: For Couch to 5k, above steps will successfully get the GPS enabled. For 5k to 10k, please also follow below steps.
  1. Open 5k to 10k app
  2. Go to Settings
  3. Tap Workout Options
  4. Turn on Enable GPS
Android users:    
  1. Go to phone Settings 
  2. Tap Security & location
  3. Tap Location
  4. Select On at the top of screen
  5. Tap App-level permissions
  6. Select On for Couch to 5k/5k to 10k app
Note: For Couch to 5k, above steps will successfully get the GPS enabled. For 5k to 10k, please also follow below steps.
  1. Open 5k to 10k app
  2. Go to Settings
  3. Tap Workout Options
  4. Turn on Use GPS