Tyrone,
I don’t know if they stay in as the key things are that it is a sample and the word maybe for day 5. The descriptor within the context of the sessions outlined in the GPP and transition programmes is the key
Day 1 (Rest Day);
Day 2 (Speed);
Day 3 (Specific 400m endurance):
Day 4 (Rest Day);
Day 5 (Special Speed Endurance);
Day 6 (Endurance);
Day 7 (Maybe temp or pool session);
then the cycle of rest-train continues, hence Day 8 would be a Rest day again.
Interesting to see how quickly things are dropping away for you.
Good luck with the races.