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Twenty-Four. AI training plans, meal planning, and fitness automation — synchronized with Intervals.icu and your calendar.
Twenty-Four uses your Intervals.icu account for authentication.
AI Training Plans
Personalized running, cycling, and swim plans generated by Claude and synced to your Intervals.icu library.
Calendar-Aware
Workouts honor your real calendar — gym reservations, work events, and recovery windows.
Feedback Loop
Plans evolve week by week from your training response, not from a static template.
About Twenty-Four
Twenty-Four is a suite of personal-automation services for endurance athletes — AI training plans, weekly meal planning, fitness telemetry, and calendar synchronization. It is designed, built, and operated by NICK LLC, an independent software consultancy in Seattle.
More about the practice and its work is at llc.nick.org.