Workout setup question. Feedback Needed!

You’d be surprised… Im starting to favor more speed endurance than special endurance. I cant explain it but I feel like I fall apart 20-80m and for some reason (for me anyway) I feel like special endurance helps more for the 200 not so much in the 100 and 60m. I know I sound like a broken record but serial reps over 120…
is the shyte…