What is the Difference Between Structured and Unstructured Workouts? April 29, 2019 11:01 Updated Follow Not signed in? Log into your Purple Patch account for full access to your education program for coaches and athletes. You need to sign in to view this page. Matt Dizon designed has designed every session with purpose and you'll see workouts that are both structured and unstructured. Structured workouts: Are built with very specific intervals and coaching cues that can be integrated with your training devices and any 3rd party apps like Zwift. Unstructured workouts: Are intentionally built without the structured integration for 3rd party apps.