Hyrox mixes running with functional stations (sled pushes, farmer's carries, wall balls and the rest), which means training only like a runner or only like a lifter leaves a gap — you need both energy systems and real strength under load. Mix an "Endurance" day with a couple of gym days in this builder and it automatically stitches them into a hybrid plan (it spots the combination and adjusts), which is exactly the shape Hyrox training needs.
The free version gives you a real starting point: a 4-week hybrid block, up to 3 sessions a week, endurance plus hypertrophy work. Where it gets serious is the paid tiers: Basic adds a "Strength" focus, 4-5 sessions a week, 8- or 12-week blocks with a deload built in (well under $1/month); Premium goes further with 6 sessions a week and the muscular-endurance "Class B" sessions (AGT, EMOM, GPR-style formats) that actually mirror a Hyrox floor. Start free, see the hybrid it builds, and upgrade if you're training for a real race.