I also just noticed that there is only one strength per week in the ToS prep plan. I’m inclined to add another strength session on Mondays. I wonder if one of the coaches can comment on this.
Regarding the progression from 1-3 to 4-6, I’ve found that there’s a big jump, so instead of going straight from 1-3 to 4-6, I do a smaller increment by adding one or two to the scheduled 1-3 session, and create either a 2-4 or 3-5 strength progression in the plan.
I asked about options for a more gradual increase in this thread: Strength training plan progressions. Sounds like it’s in the works.