Please tell your runners in the future not to run out into lane 2 under any circumstance when they have the lead coming off the final turn. There is no need to run the extra distance.
Tonight, I noticed that Yomif was running much of the final straight in lane 2 even though he had a massive lead. It appears that he needlessly ran some extra distance (Yes, perhaps in indoors, his momentum pulled him out there, but then he veered back towards lane 1 at the end).
As a former HS math teacher, I'll remind you of some simple geometry - the shortest distance between two points is a straight line.
Did it cost him the record? Maybe. On the last lap, he averaged 7.059654076 meters per second which comes out to 2.78 inches every .01 of a second.
So basically he missed tying the world record by less than 3 inches.