1 minute intervals with ride out at the end

15 minutes of Spin Up at zone endurance
1 minute of Minute effort at zone sub-maximal
3 minutes of Recover at zone endurance
1 minute of Minute effort at zone sub-maximal
3 minutes of Recover at zone endurance
1 minute of Minute effort at zone sub-maximal
3 minutes of Recover at zone endurance
1 minute of Minute effort at zone sub-maximal
3 minutes of Recover at zone endurance
1 minute of Minute effort at zone sub-maximal
3 minutes of Recover at zone recovery
25 minutes of Ride it out at zone endurance