However, if it is too low, too many points may be recorded which means the app has to work harder and will reduce battery life. A low distance filter yields more recorded positions and hence a more fine-grained track and more frequent updates to live statistics.
The actual distance between two recorded location points may vary depending on external factors (e.g., weather conditions, clear view to the sky). The distance filter determines how often location signals are requested. A lenient (high) required accuracy can lead to outliers being recorded and distorting the calculation of statistics. Selecting a restrictive (low value) accuracy leads to fewer (but potentially more accurate) recorded points, but may decrease general point density when your signal is worse for longer periods of time. If the accuracy of a position signal is worse (i.e., a higher value) than the value set here, the position is discarded and does not become part of the recorded track. Using the required accuracy, you can automatically discard inaccurate position signals from the GPS. This will adjust the location recording settings according to your selected activity, sensor accuracy, and movement. We highly recommend using the Automatic mode. You will find the most important settings under Location recording. While recording, tap or pull up the menu from the bottom of the screen and tap Settings. When not recording, tap the gear icon in the upper left corner of the main screen. You can change the location recording settings before or during a recording.
If you later increase your speed from 20 to 30 mph and maintain that speed for a while, you will see that the gradient runs from 66 % to 100 % opaque red. If you have been cycling at 20 mph sometime before, the gradient would run from transparent to 50 % opaque red. If for example you are currently cycling at a speed between 0 and 10 mph and you were not faster than that before, the gradient will run from fully transparent to fully opaque red. The gradient color underneath the graph's line indicates if you are close to the minimum or maximum of the overall value range. This means that the minimum and maximum in the graph changes, but this allows you to quickly see if you are accelerating or decelerating. If your speeds are currently between 10 and 20 mph, the y-axis will be adjusted to display this range (instead of showing, e.g., 0 to 20 mph). The value axis (y-axis) is constantly adjusted to fit the current value range (rounded). Some statistics provide real-time graphs: speed (red), altitude (blue), pace (green), heartrate (purple),… The live graphs always display the last 50 recorded points on a distance scale (x-axis). Up to four statistics are displayed at the top of the screen during recording. This allows you to use segments to mark pauses during the individual legs of your tour. If you are recording a multi-day tour, we recommend creating one track per day. One more tip: a track should not be longer than one day. The duration and cumulated distance of the track will be the sum of the two segments' individual durations and cumulated distances. This treats the time and duration between these two points as a pause. Selecting Start new segment will exclude the distance and time since the last point of the previous segment from the recording. This will also increase the track's duration and cumulated distance, and affect other statistics. The distance and time between these two points will be added to the segment's cumulated distance and duration. If you select Continue last segment, Trails will continue recording by creating a straight line between the last point of that segment and your current location. You should decide whether you want to extend your existing track by recording a new segment or by continuing the last segment. A track is composed of one or more segments.
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