Yes, not sure if you spotted this but there's kindof a running/route following app at https://banglejs.com/apps/#route
The 'near enough' value I used for that was 30m :) https://github.com/espruino/BangleApps/blob/master/apps/route/custom.html#L110
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Yes, not sure if you spotted this but there's kindof a running/route following app at https://banglejs.com/apps/#route
The 'near enough' value I used for that was 30m :) https://github.com/espruino/BangleApps/blob/master/apps/route/custom.html#L110