The professional coaches I’ve worked with all advocated plans along the same lines.
you have rest days and rest weeks.
Each week has 2 rest days, one off the bike entirely, and one recovery ride.
Each block is a 4 week cycle, focused on a particular objective. Weeks 1-3 build in intensity and volume. Week 4 is a rest week with a decrease in volume but still some intensity.
Basic point is when it’s time
to go hard you need to go hard, and when it’s time to
go easy you need to go very easy.
Too many riders never go easy, and consequently can’t go as hard as they should when it’s time to go hard.
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You could fall off a cliff and die.
You could get lost and die.
You could hit a tree and die.
OR YOU COULD STAY HOME AND FALL OFF THE COUCH AND DIE.