If your Great Cycle Challenge app is showing little to no distance, it's because you've declined the app access to your phone's GPS/Location Services information, either at the time of installing or at a later date. 

The following instructions will help you enable Location Services on your device.

For Apple iOS users: 

1. From the Home screen, tap Settings.
2. Tap Privacy.
3. Tap Location Services.
4. If necessary, slide the Location Services switch to the ON position.
5. Scroll down to the Challenge app and ensure it's switched to 'Yes' or 'While Using the App'.

For Google Android users:

1. From any Home screen, tap Apps.
2. Tap Settings.
3. Tap Privacy and safety.
4. Tap Location.
5. If necessary, slide the Location Switch right to the ON position, then tap Agree.
6. Tap Locating method.
7. Select desired locating method: GPS, Wi-Fi, and mobile networks (most accurate). Wi-Fi and mobile networks. GPS only.