Chip "The Colonel" Martin Timeline and Summary

Before

The Colonel returns to Culver Creek Boarding School and meets his roommate Miles Halter—he immediately nicknames Miles "Pudge" on account of his skinny physique.
The Colonel introduces Miles to Alaska, smoking, and Takumi, in that order. Oh, and we find out the Colonel's girlfriend, Sara, is a Weekday Warrior. (What? Weird.)
The Colonel finds out that Weekday Warriors urinated in his shoes before they threw Miles into the lake.
Sara and the Colonel fight, and she accuses him of ratting out Marya; the Colonel decides to memorize stuff to deal.
After the Eagle catches the four friends smoking, the Colonel and Alaska take the fall and get the punishment. Now that's loyalty, because the Colonel's at the Creek on scholarship.
At the triple date to the Culver Creek basketball game, the Colonel heckles the players (per usual), and avoids a rogue basketball. The evening ends with him and Sara breaking up.
During the prank the Colonel plans (we know it's mostly his brainchild) to get back at the Weekday Warriors, the Colonel reveals his dad's departure and his desire to rise above his current social and economic status.
Also, he finds out that Alaska's mother died of an aneurysm and that Alaska blames herself.
The last night, the Colonel gets drunk with Alaska and helps her escape campus.

When the Colonel finds out Alaska died, he screams he's sorry.
He's so fed up with his guilt and his anger at Alaska that he walks forty-five hours straight (and covers eighty-two miles) to cope. And he memorizes populations, because memorizing is also how he copes.
The Colonel wants to find out if Alaska killed herself, so he and Miles talk to the cop who was at the scene, figure out how drunk Alaska was, and talk to her ex-boyfriend Jake. They find out nothing.
As Miles agonizes over what he meant to Alaska, the Colonel puts him on the straight and narrow by telling him he didn't mean as much as he wanted to.
The Colonel fastidiously plans the Alaska Young Memorial Prank, which is a huge success—he even puts aside his differences with the Weekday Warrior to accomplish it.
Finally he and Miles give up on looking for answers about Alaska's death.
The Colonel throws himself into bringing his grades up, determined to get better than a 3.98.
For his religion essay, the Colonel says, "the labyrinth blows, but I choose it." (122after.12). We're glad.