The 16.4 - km route from the summit to the finish is a mirror image of the route to the summit .
Concludes with a 1.7 - km ( 280m vertically ) ascend to the finish line at the hall of Barangay Tinongdan .
The 16.4 - km route from the summit to the finish is a mirror image of the route to the summit , and concludes with a 1.7 - km ( 280m vertically ) ascend to the finish line at the hall of Barangay Tinongdan .