The 26.2 mile course of Sunday's California International Marathon ends at the Capitol, which means that most of it takes place outside of the downtown/Midtown Grid. But if you're planning on being out and about on Sunday morning, be aware that a number of streets will be closed in the usually-quiet central city. Particularly between about 8 a.m. and noon, Grid streets will be problematic. If you live in the Grid, walk or bike. With approximately 14,000 runners expected to participate, the area around the Capitol is likely to be crawling with cars and pedestrians. Organizers just released the mile-by-mile lowdown on road closures, by intersection. Here are the closures that will effect t