MyTrails uses built-in Android methods to compute distances (and speeds). Unfortunately a small number of phones use a version of Android where a critical element of the platform (the Dalvik JIT compiler) suffers from a bug that causes these calculations to be severely incorrect.

This issue may also cause tracks to be displayed as thick lines across the screen.

In MyTrails 2.0 and later, please try to activate the Fallback distance calculation preference in Visual preferences.

In MyTrails 1.3.23 and later, you can work around this problem by using the toggle alternate distance hidden option.

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