How might he have raced 2010 Boston Marathon?

Let's take a look at Kip's Outfits. 
http://kiplitton.blogspot.com/2012/04/study-of-outfits.html
He seems to like to wear 2 different caps (sometimes switching caps in the middle of races). Let's refer to them as Cap A and Cap B. At Boston 2010, Kip is wearing Cap A at 15K, 13.1Miles, & 30K............and Cap B right before the finish line. It appears he may have done the same at COX Providence, Rhode Island marathon - wears Cap A at the start and Cap B before the finish (along with a shoe change and shorts change). At Deadwood (South Dakota), where he was disqualified, he went with a light-blue cap to Cap B.


AT BOSTON 2010

It appears that Kip wore an all black outfit (black long sleeve and black long pants) and what we refer to as Cap A (a black colored cap with green/white logo) up until at least the 30K point (~18miles where he accidentally came into camera view at 30K where Jim Rhodes (an unofficial photographer i.e. not affiliated with marathonfoto.com) was taking photos).

-> wonder if he was on the sidewalk for most of the heartbreak hill area. Don’t forget Kip "ran" a 2:50ish at st louis the week before his supposed 2:52 at Boston, then somewhere before the finish he stripped the black long sleeve and the black long pants to have his race bib showing and also changed ball caps to Cap B (a black cap with a BAA logo).  We don't have proof it's the same person but the yellow tinted sunglasses, silver watch and red/white Mizuno shoes all appear to match. http://kiplitton.blogspot.com/2011/01/more-photos-discovered-of-kip-boston.html

We looked back at Kip's outfits to see if there was some pattern, perhaps with the ballcaps.

http://kiplitton.blogspot.com/2012/04/study-of-outfits.html

And It looks like he's worn Cap A at most of his races from 2009-2010.And it looks like he has switched ballcaps in the middle of the following marathons:

1. COX Providence, Rhode Island Marathon (can't tell for sure but looks like he went Cap A to Cap B, along with taking off shorts and the shoe change of course)

2. Deadwood, South Dakota DQ (he went from a lightblue colored cap at the start to Cap B at the finish)

3. & at Boston 2010 from Cap A to Cap B.  

Cap A - a faded black color baseball cap with a Green & White logo

Cap B - black color with a BAA logo

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At Races that were Pre Boston Marathon 2010 (mostly Cap A)

Cap A - at 2009 Gasparilla Florida race

CAP A - at BAA 5K 2010, the 17:17 5K

Cap A - During Boston 2010, at 15K (~9.3miles)

At races that were Post Boston Marathon 2010 (some Cap A and Cap B)

July, 2010 - at Missoula Marathon finish (Disqualified)