Congratulations on finishing 75 Hard!
The daily routine in Phase 1 includes everything from 75 Hard so you won’t be missing out on anything, and it will push you to develop more mental toughness traits after getting used to the daily routine of 75 Hard. Andy recently released a helpful podcast episode about what to do after you finish 75 Hard, and the benefits of continuing in the program with the additional phases as it’s designed to be done:
https://andyfrisella.com/blogs/realaf-podcast/80-live-hard-the-ironman-for-your-brain
If you still want to restart 75 Hard, the you can go back and restart 75 Hard by editing your progress in the settings screen.