Plank Challenge Timer
20s → 60s ladder · 5 holds — a real, working plank timer right in your browser. Big color-coded phases, beeps, and the screen stays awake. Free, no sign-up.
Get Ready
0:05
Next: Hold 1 · 0:20
4:25 left
Palette
Space start / pause R reset M mute F fullscreen
How it works
The Plank Challenge protocol
A five-step plank ladder: 20, 30, 40, 50, then 60 seconds, with 15 seconds of rest between holds. A structured way to build toward a longer plank.
- Holds of 20 / 30 / 40 / 50 / 60 seconds
- 15 seconds rest between each
- Drop to knees if form breaks, then rebuild
Holds
5
Range
20–60s
Rest
15s
Peak
60s
The Pulse app
Love these colors? There are 134 more.
This free timer is a taste of Pulse for iPhone & Apple Watch. The app has 136 searchable palettes, a full color picker, saved custom timers, big glanceable numbers, and your music keeps playing underneath. $3.99 once — no subscription, no ads, ever.
136 palettesEight free, 136 total — searchable, plus a full color picker to match your vibe.
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