Sea Gull Century에 대한 설명
Sea Gull Century - (SGC) is the easiest way to find out where you are on the course. Use of the app displays your current location as well as your speed, local vendors and rest stops.
Vendors are displayed with red and blue markers.
Rest Stops are displayed with green markers.
Visit http://www.seagullcentury.org for more information. Submit feedback to firstname.lastname@example.org