HYROX SIM is a HYROX race simulation and rehearsal app built for iPhone and Apple Watch. Plan full HYROX-style sessions, edit runs, Rox Zones, and stations, and start the workout from your wrist. During training, follow live pace, heart rate, and segment progress in a clear interface designed for high-intensity race simulation. After the finish, review total time, splits, and recent workout history to understand how your pacing changed across the full HYROX rehearsal. Features - HYROX-focused workout builder for full race simulations - Official division presets and custom session planning - iPhone planning with Apple Watch workout flow - Live pace, heart rate, and segment progress during training - Post-workout summary with split-by-split review - Recent HYROX rehearsal history for quick comparisons Whether you are preparing for your first HYROX event or refining race strategy, HYROX SIM keeps your simulations structured, repeatable, and easy to review.