But using the $200-per-month fee as an example, training for the Boston Marathon 22 weeks in advance â which is how long the BAAâs Boston Marathon training plan is for all four levels â could cost roughly $1,100 if you hire a running coach.
ocean basin. (geology). The great depression occupied by the ocean on the surface of the lithosphere. 1  Facebook. 2  Twitter.
Covering approximately. and containing more than half of the free water on Earth, the Pacific is by far the largest of the worldâs ocean basins. All of the worldâs continents could fit into the Pacific basin. The Pacific is the oldest of the existing ocean basins.Its oldest rocks have been dated at about 200 million years.overing approximately. and containing more than half of the free water on Earth, the Pacific is by far the largest of the worldâs ocean basins. All of the worldâs continents could fit into the Pacific basin. The Pacific is the oldest of the existing ocean basins.