I actually prefer your second option. I think it's important to not change things up too much prior to a big meet and having 3 very easy days (as in the first option) prior to a big meet might be too much and leave you feeling flat the day of the meet. Also, low-volume, high-intensity work just prior to a meet (day before) may result in CNS excitation which could potentially increase performance in the meet. All you'd need to do is some short sprints, plyos, multi-throws, or heavy lifting the day before (or even the morning of) the meet.
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