Tabata 20/10 Timer Guide — How to Run the Classic Protocol

Tabata is eight rounds of 20 seconds all-out work and 10 seconds rest. Four minutes on the clock. No debate about the structure — only about whether you actually emptied the tank.

Why 20/10 stuck

Izumi Tabata’s research protocol used short, maximal efforts with incomplete recovery. The ratio is brutal on purpose: you never fully catch your breath before the next work bout. That’s why a dedicated Tabata timer beats a generic stopwatch — you need clean cues at every boundary.

How to run Tabata 20/10

1. Pick one move (burpees, squats, mountain climbers, assault bike).
2. Warm up 3–5 minutes.
3. Start the timer: 20s work / 10s rest × 8.
4. Work interval = near-max effort you can sustain for all eight rounds.
5. Rest = hands on knees, breathe — don’t scroll.

Eight rounds ≈ 4 minutes of intervals. That’s the classic. Some people stack two Tabatas with a longer rest between — that’s a different session.

Sample bodyweight Tabata

• Round focus: burpees or squat jumps
• Pace early rounds so rounds 6–8 don’t collapse
• Count clean reps if you want a score to beat next week

Common mistakes

• Starting too hard — round 1 fireworks, round 6 walking.
• Soft rests — chatting or checking your phone eats the 10 seconds.
• Wrong timer — a clock you have to tap mid-set breaks the protocol.

Open it in Cadence

Cadence ships a Tabata 20/10 preset: eight rounds, big readable countdown, get-ready lead-in so you’re not scrambling at “go.” Pair this guide with the free 7-Day HIIT Starter (Day 1 is Tabata).

New to interval styles? Compare formats in AMRAP vs EMOM vs Tabata.

Keep going

• Free 7-Day HIIT Starter — day-by-day plan mapped to Cadence presets
• How Long Should HIIT Rest Intervals Be?
• Best HIIT Interval Timer for iPhone — What Actually Matters