He says he's going for the course record.
Why not the WR? It's not like the WR is that much faster then the Chicago CR.
Still, the man obviously doesn't lack for ambition.[/quote]
Because unlike Track, marathon courses can differ in difficulty and in the grand scheme of things, the WR doesn't mean that was the best marathon ever ran.
The Berlin and Dubai courses make Chicago and Paris look like a hard courses, NYC is a difficult course, etc.