Invite-only for now
There is no public enrollment link yet. This page will not pretend otherwise.
What you will test
Run an authored session in order, record planned and multi-segment actuals, make an explicit skip, extra, or Do later change, confirm wall-clock rest, relaunch safely, and inspect History.
What is not in this beta
A public invitation, App Store listing, Apple Health, Apple Watch, sensor input, social features, and automatic programme generation are not available.