what zwift workout should i do?
['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)']