It's worth noting that many GPS exercise watches have a "virtual pacesetter" where you set the pace you want given a route and it will show a graphical represen

It's worth noting that many GPS exercise watches have a "virtual pacesetter" where you set the pace you want given a route and it will show a graphical representation of how far ahead or behind you are. eg: https://www8.garmin.com/manuals/webhelp/forerunner245/EN-US/GUID-106F4D70-E9D6-4EE4-ACDF-6EA0876D93E6.html https://www8.garmin.com/manuals/webhelp/forerunner245/EN-US/...