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.
The Gulf of Mexico is an example of an inactive ocean basin where the main change that happens is the slow depositing of sand and sediment. Active ocean basins undergo change mainly due to plate tectonics.