30-day challenge

30-Day Plank Challenge: Daily Times From 20 Seconds to 5 Minutes

A 30-day plank challenge with a daily hold time table for beginners and a harder track, form checks, and why you should count seconds — not just 'hold as long as you can'.

The plank is the rare exercise where the “reps a day” idea becomes seconds a day. It’s easy to progress, needs zero equipment, and it teaches the stiff-body position that makes push-ups and squats better too. Here’s a 30-day plank challenge with real times, an easy day every fifth day, and a harder track for people who can already hold two minutes.

Test first

Forearm plank: elbows under shoulders, body a straight line from head to heels, glutes squeezed, no sag, no hips in the air. Hold until form breaks (hips drop or lift). That’s your start.

  • Standard track: under 90 seconds.
  • Advanced track: 90 seconds or more. Do the standard times but as long-lever plank (elbows a hand’s width further forward) or with a weight on your back — or use the advanced column.

The 30-day plank challenge table

Times are per hold. Do the listed number of holds spread through the day. ○ = light day.

DayStandard (per hold × holds)Advanced (per hold × holds)
120 s × 360 s × 3
225 s × 365 s × 3
330 s × 370 s × 3
435 s × 375 s × 3
5 ○20 s × 245 s × 2
640 s × 380 s × 3
745 s × 385 s × 3
850 s × 390 s × 3
955 s × 395 s × 3
10 ○30 s × 260 s × 2
1160 s × 3100 s × 3
1265 s × 3105 s × 3
1370 s × 3110 s × 3
1475 s × 3115 s × 3
15 ○40 s × 275 s × 2
1680 s × 3120 s × 3
1785 s × 3125 s × 3
1890 s × 3130 s × 3
1995 s × 3135 s × 3
20 ○50 s × 290 s × 2
21100 s × 3140 s × 3
22105 s × 3145 s × 3
23110 s × 3150 s × 3
24115 s × 3155 s × 3
25 ○60 s × 2100 s × 2
26120 s × 3160 s × 3
27125 s × 3170 s × 3
28130 s × 3180 s × 3
29140 s × 3200 s × 3
30150 s × 2, then a max hold240 s × 2, then a max hold

Day 30’s max hold is the number you’ll remember. Standard-track finishers who started at 30 seconds usually hit 3–5 minutes.

Rules

  • Form ends the hold, not the clock. If your hips sag, the hold is over even if there are 20 seconds left. Log what you held.
  • Multiple shorter holds beat one long one. Three 60-second planks with good form do more than one 3-minute plank that’s a droop for the last minute.
  • Breathe. Holding your breath is the number one reason planks feel impossible past 45 seconds.
  • Count the seconds and write them down. Total daily plank time is your score. Use a phone timer, a kitchen timer, or a counter app with a timer — RepTrend tracks time-based exercises in minutes with a built-in timer and Lock Screen Live Activity, so each hold logs itself against a daily goal. A notebook and a stopwatch also count.

Why not just “hold as long as you can” every day?

Because max holds every day stop improving after a week or two, and because a fatigued max plank is a bad plank. Sub-maximal holds, done a few times a day and increased steadily, add up to a much longer max hold with much better position. Same principle as half-max sets of push-ups.

Variations to swap in

Once 90+ seconds is comfortable, difficulty beats duration:

  • Long-lever plank: elbows further forward. Brutal.
  • Weighted plank: a book bag on your upper back.
  • Side planks: 30–60 seconds each side; do these anyway for balance.
  • Plank shoulder taps / RKC plank: squeeze everything as hard as possible for 10–20 seconds — counts as reps rather than time.

After day 30

Two minutes a day, in two holds, is a fine maintenance dose. Add side planks. Or run the push-up challenge — the plank position you just built is most of a push-up.

Frequently asked questions

How long should a beginner hold a plank?

20–30 seconds with good form is a normal starting point. Three holds of 20–30 seconds daily will get most beginners to a 90-second plank in a month.

Is a 2-minute plank good?

Yes. Two minutes with a straight body and no sag is a strong, healthy core for almost anyone. Beyond that, difficulty (long-lever, weighted, side planks) beats more time.

Should I plank every day?

Yes, at sub-maximal times. Planks recover fast. Take the light day every fifth day, and stop the hold when form breaks rather than gutting it out.

Will planks give me abs?

Planks build a strong, stiff core and can improve posture and the look of the midsection slightly. Visible abs are body fat, which planks won't change on their own.

Steve
Steve does his reps every morning and builds RepTrend, a one-tap rep counter for iPhone and Apple Watch.