Lactate Threshold Training

You did exactly the correct thing. As Charlie always said: “If in doubt, leave it out. When you think you can do one more rep, you have already done one too many.”
Your progress (speed) will continue to come out over the course of your transition into competition. BUt you don’t train to train. You need to make it to the racing track, so steady as she does in training will win the race (or does that only apply to turtles?)