How long should you be able to hold a plank?
The plank is the go-to core exercise for a reason: no equipment, no reps to count, just you holding a straight line against gravity. But "how long should I hold it?" is a slightly misleading question — because past a certain point, holding longer stops being the goal. Here's the honest version.
First: test yourself
Get into a forearm plank — elbows under your shoulders, body in one straight line from head to heels, core and glutes engaged. Start a timer and hold until your form breaks: hips sagging, backside creeping up, or lower back taking over. Stop the clock the moment the line breaks, not when you collapse.
That "form-break" time is your real number. Grinding out an extra 30 seconds with your hips drooping doesn't count — it's just practising a bad plank.
A rough guide by level
| Your hold time (good form) | Where you're at |
|---|---|
| Under 20 seconds | Beginner — start here, no shame in it |
| 20–45 seconds | Building a base |
| 45–90 seconds | Solid core endurance |
| 90 seconds+ | Strong — switch to harder variations, don't chase minutes |
These are rough guides, not medical standards. Aim to beat your own form-break time a little over the coming weeks.
Does age matter?
People search "average plank time by age" hoping for a chart. The honest answer is the same as for most fitness benchmarks: how consistently you train matters far more than your age. A regularly-active person in their 50s will easily out-hold an untrained 20-something. Don't rank yourself against an age table — rank yourself against last month.
Why longer isn't the goal
Here's the part most plank guides skip: once you can hold a clean plank for around two minutes, adding more time mostly builds endurance and boredom, not strength. There are viral stories of people holding planks for hours — that's a party trick, not a fitness goal.
Beyond a couple of minutes, the smarter move is to make the plank harder, not longer:
- RKC plank — brace everything as hard as you can; even 20 seconds is brutal
- Single-arm or single-leg plank — lift one limb, forcing your core to resist rotation
- Plank with reach-outs or shoulder taps — add controlled movement
- Elevate your feet — shifts more load onto your core and shoulders
Resisting rotation and staying rigid under a harder load builds far more real-world core strength than simply outlasting the clock.
Why consistency beats one long hold
A short, solid plank done regularly beats an occasional grind-to-failure attempt. Thirty to sixty good seconds a few times a week, progressed sensibly, will build a stronger core than one exhausting max-hold that leaves you sore and skipping the next session.
This is how fitn3s works: short daily bodyweight sessions that fold in core work and gradually raise the challenge after sustained good performance — so you're always training in the right range rather than chasing a number.
One thing to watch: form
A sloppy plank builds little and can nag your lower back. Keep it honest:
- Elbows directly under your shoulders
- One straight line from the crown of your head to your heels
- Hips level — not sagging toward the floor, not piked up
- Glutes and core actively squeezed, not just hanging there
- Neck neutral, gaze at the floor just ahead of your hands
If your hips start to sag, that's your cue to stop. A shorter plank with a straight line beats a long one that's fallen apart.
Try fitn3s: core work built into a daily habit
fitn3s builds short bodyweight workouts that include core moves like the plank, matched to your level. Try it free — each day it generates a plan and, after 3 sustained good sessions, nudges the difficulty up.
It's free, takes 10–25 minutes, and needs no equipment.
Try fitn3s free →Looking for more? Read how long you should be able to hold a wall sit, how many push-ups or squats you should do, or see how fitn3s handles progressive overload.