Question: what zwift workout should i do?
Answer: Zwift 101: 1 week / 2 hours per week.
FTP Builder: 4 to 6 weeks / 5 hours per week / 255 stress points per week (average)
Fondo: 3 to 4 weeks / 3 hours per week / 177 stress points per week (average)
Active Offseason: 8 to 12 weeks / 9 hours per week / 446 stress points per week (average)