I was thinking the same thing. The initial acceleration was very good-good to really get out, but, perhaps, he should have gotten into his float/coast on the back stretch a bit sooner. That is he might have carried out the acceleration just a tad too far and maybe pushed the first 200 too hard.
One other smaller detail, though I doubt it had a huge impact and maybe it’s not even an issue at all-the block setting. The front block MIGHT be a little too close to the line but if it is, probably not by too much.