I am used to very aggressive trips. Aslo, I am not a big hiker.

Is this schedule too aggressive?

Day 1 arrive into Lima 6:30pm
Day 2 Leave 6am Lima - Cusco
Day 3 Machu Picchu
Day 4 Leave 8:10am Cusco-Lima-next country

Or is this enough time to get the idea of Peru and Machu Picchu?