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 more than 30 percent of the Earthâs surface, the Pacific Ocean is the largest water mass on the planet. With a surface area of more than 60 million square miles (155 millions square kilometers), this ocean basin is larger than the landmass of all the continents combined.