Route: Gerald Quitugua's Mariana's 100

Gerald Quitugua's Mariana's 100 is Guam's first perimeter run and 100 mile ultra marathon that goes through the entire perimeter of Guam as well as through the middle of the island. This run is unique in that the Perimeter run has never been ran before. It starts and ends in Hagatna. The route must start from Hagatna and go directly south. After the southern loop of the Guam run, you proceed to the north. The end finishes with 4 laps in the Paseo park in Hagatna