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Metabolic Afterburn Calculator
Indoor sprints trigger EPOC — a hidden calorie burn that lasts up to 24 hours after your session ends. Find out exactly what you are leaving on the table.
Session Duration
45min
15m30m45m60m75m90m
Option A
Steady State
Endurance · 10 cal/min
Option B
Alchemist Sprints
HIIT · 13 cal/min
Fasted (12–14h since last meal)
Unlocks maximum metabolic switching + highest EPOC
Maximum Metabolic Switching Activated
Fasted sprints unlock the full Alchemist protocol — fat oxidation + EPOC at peak capacity.
Calorie Breakdown — Work vs. Afterburn
Work Burn
0cal
During session
Afterburn
0cal
Next 24 hours
Total
0cal
Full transmutation
🕑 Steady state is valuable for base fitness, but the afterburn window stays nearly closed. Your metabolism returns to baseline within minutes of finishing.
Pedalynx · EPOC estimates are approximate. Individual results vary with fitness level, diet and training history.
The numbers prove that indoor sprints burn calories while you sleep—but only if you do them right. The Alchemist’s Formula isn’t just about sprinting; it’s about the specific combination of mental focus and precision timing that triggers the effect.
You have three elements now. A primed nervous system. A metabolism being retrained at the cellular level. Precision power delivery that compounds across weeks. The indoor cycling sprint is your crucible — the container where these three stop being separate things. It’s whether you’ll keep treating your sessions as something to endure — or finally start designing them as something to master. Those aren’t the same activity. They never were.
Light the fire. Become the alchemist.
