Gym bay · 30/30
Quiet 12, no jump
Apartment engine. 2026 HIIT-30S shape. No slam.
Tuesday 6:40am, gym already paid, empty bay.
Other venue: Home floor
Inputs
- Bike or treadmill on easy
- Timer
- Water
Rounds
- 30s brisk / 30s easy on the bike.
- Stay seated if the floor is loud.
- Eight rounds.
Do not invent a spin-class playlist. The clock is the class.
Chest pain, unusual shortness of breath, dizziness, or a known uncleared heart / metabolic / renal condition: stop. Get clearance. Unsupervised HIIT is not cardiac rehab.