WalkingPad Foldable Walk-and-Jog Under-Desk Pad
The WalkingPad WP400F42 treadmill, badged on Amazon as the WalkingPad Z3, is a 242 lb-capacity under-desk pad built to fold flat in one motion and disappear under a bed, sofa, or desk. Despite the 'Walk and Jog' name on the listing, its top speed tops out at 4 mph and it ships with no handlebar, which puts it squarely inside the walking-pad speed band rather than the sturdier, handlebar-equipped builds WalkingPad sells for actual jogging. It is the right pick if you want a quiet, joint-friendly pad for background movement during work hours, not a home treadmill substitute.



- One-touch 180-degree fold that lets the whole pad disappear under a bed, sofa, or desk in seconds, no tools needed
- 8-layer cushioning deck absorbs impact like a built-in mat, gentler on knees and ankles than a hard floor
- 47.2 x 15.7 inch belt is wide enough to walk naturally without watching your feet
- Ships fully assembled with a remote control, so setup is unfold, plug in, and walk
- Quiet brushless motor built for use during work calls or a late-night walk without disturbing others
Where the WP400F42 lands against the other WalkingPad models in our catalog: Loses to the Z3 Hybrid+ and Z1R on top speed and handlebar support, both built for actual jogging, Matches the Z1R and Z3 Hybrid+ on 242 lb weight capacity, Beats the Sunny Treadpad Slim on top speed and Amazon rating, despite the Sunny also shipping with a handlebar.
Which rider are you?
From this page to your first ride
Read the honest review
Specs, the jog-name reality check, and what the thin review count means for this listing, all on one page.
Check today's price
One click to Amazon. We check the listing regularly and note it here if anything changes.
Unfold and start walking
The pad ships fully assembled. Unfold it, plug it in, and it's ready; the included tool kit is for adjustments, not setup.
Where the WP400F42 earns its spot in this class

A fold that actually disappears
The one-touch 180-degree fold-flat design needs no tools and lets the pad slide under a bed, sofa, or desk in seconds, which matters more in a small apartment or shared office than raw top speed does.
Cushioning built for hours, not minutes
The 8-layer deck is designed to absorb impact like a built-in mat, the difference between a pad you can walk on through a full work day and one your knees notice by lunch.
A display built to be glanced at, not stared at
The 15-degree angled LED sits directly in your natural line of sight and tracks time, distance, speed, steps, and calories, so checking your pace during a call doesn't mean tilting your head down and breaking eye contact with your screen.
What owners keep saying
We could not pull individual review excerpts for this exact WP400F42 listing, only Amazon's aggregate rating of 4.6 out of 5 across 29 owners. That's a small sample for a page claiming to speak for what owners think, and far thinner than the 289 to 389 reviews its handlebar-equipped siblings carry, so treat the star rating as a starting point rather than a verified pattern of specific praise or complaints.
The honest cons
- Top speed is 4 mph with no handlebar, so the 'Walk and Jog' name overstates what this exact configuration does; WalkingPad's own Z3 Hybrid+ adds a handlebar and a 6.5 mph top speed for owners who actually want to jog
- Amazon's 4.6-star average rests on only 29 ratings, with no individual review text available to verify what owners specifically praised or flagged, a much thinner sample than the 289 to 389 reviews its handlebar siblings carry
- No auto incline, so intensity only changes with speed, not deck angle
- WalkingPad's own site does not list a Z3 model by that name, so the Amazon listing's branding could not be cross-checked against a manufacturer product page
WalkingPad WP400F42 Treadmill vs Z3 Hybrid+ vs Z1R vs Sunny Treadpad Slim
This WalkingPad Z3 sits at the walking end of its own product family. Here's how its speed, capacity, and handlebar status compare against three close alternatives, two of them from the same WalkingPad line.
| WalkingPad Z3 (WP400F42) | WalkingPad Z3 Hybrid+ | WalkingPad Z1R | Sunny Treadpad Slim | |
|---|---|---|---|---|
| Top speed | 1-4 mph | 1-6.5 mph | 1-5 mph | 0.5-3.7 mph |
| Handlebar included | No | Yes | Yes | Yes |
| Weight capacity | 242 lb | 242 lb | 242 lb | 245 lb |
| Amazon rating | 4.6 (29 ratings) | 4.4 (389 ratings) | 4.4 (289 ratings) | 4.3 (954 ratings) |
| Our take | Best for quiet desk-hours walking, not jogging | Same family, built for actual jogging | Middle ground: handlebar, moderate top speed | Handlebar but the slowest top speed of the four |
| Spec | WalkingPad Foldable Walk-and-Jog Under-Desk Pad |
|---|---|
| Model | WalkingPad Z3, model number WP400F42 |
| Speed range | 1 to 4 mph, 2 hp brushless motor |
| Weight capacity | 242 lb |
| Running belt | 47.2 in x 15.7 in |
| Cushioning | 8-layer cushioned deck |
| Display | 15-degree angled LED: time, distance, speed, steps, calories |
| Fold mechanism | One-touch 180-degree fold-flat, no tools |
| Unfolded footprint | 57.9 in D x 23.7 in W x 6.2 in H |
| Folded size | 33.6 x 23.7 x 7.6 in |
| Item weight | 63.4 lb |
| Frame material | Aluminum |
| Handlebar | None included; this is a flat-deck pad, not the handlebar-equipped Z3 Hybrid+ or Z1R builds in the same WalkingPad line |
| Power | Corded electric |
| Included in the box | Power cord, remote control, user manual, tool kit |
| Warranty | 1-year manufacturer |
| Color | Gray |
FAQ
Is the WalkingPad WP400F42 treadmill actually good for jogging?
This is where the listing name oversells the machine. Top speed is 4 mph and it ships without a handlebar, both of which put it inside the walking-pad range rather than a jogging build. WalkingPad's own Z3 Hybrid+ and Z1R models add a handlebar and a higher top speed for owners who genuinely want to jog, and the 'Walk and Jog' name on this listing reads as product-family branding rather than a spec claim for this exact configuration.
Does the WalkingPad Z3 come with a handlebar?
The included components are a power cord, remote control, user manual, and tool kit, with no handlebar in the box. If a handlebar matters to you, look at the Z1R or Z3 Hybrid+ within the same WalkingPad line.
How much weight can this WalkingPad Z3 hold?
It's rated for 242 lb, and that figure is consistent between WalkingPad's spec table and the product description, so there's no conflict to flag on this one.
Does it need assembly?
It arrives fully assembled. You unfold it, plug it in, and it's ready to use, with the included tool kit meant for adjustments rather than initial setup.
How does the WalkingPad Z3 fold for storage?
It uses a one-touch 180-degree fold-flat mechanism that needs no tools, and WalkingPad lists the folded size at 33.6 x 23.7 x 7.6 inches, small enough to slide under a bed, sofa, or desk.
Is a walking pad with a 4 mph top speed worth it over a full treadmill?
Yes, if your goal is background movement during a work day rather than structured cardio. A walking pad like this one is quieter, lower profile, and foldable, built for a steady desk pace you can sustain for hours rather than a dedicated running session. If you want to train for actual runs, a full treadmill fits that goal better.
Is the WalkingPad Z3 quiet enough for video calls?
That's the design intent. WalkingPad describes the motor as an ultra-quiet brushless unit rated for stable, vibration-free performance, and pairs it with the 8-layer cushioned deck specifically so you can walk during meetings or late at night without disturbing family, coworkers, or neighbors. We don't have an independent decibel measurement for this exact unit, so treat that as the manufacturer's claim rather than a verified figure.
What's actually in the box?
A power cord, a remote control, a printed user manual, and a small tool kit. The unit itself arrives fully assembled, so the tool kit is there for adjustments rather than putting the frame together.
The verdict
The short version: the WalkingPad WP400F42 treadmill is a well-built, joint-friendly walking pad for anyone who wants quiet background movement during a work day, not a jogging machine despite its 'Walk and Jog' name. The 1 to 4 mph speed range, 8-layer cushioning, and one-touch 180° fold cover exactly what a desk pad needs to do, and Amazon owners rate it 4.6 out of 5, though only 29 of them have left a rating, a small sample worth keeping in mind next to the hundreds of reviews its handlebar siblings carry.
Buy it if you want a compact, no-assembly pad that folds flat and stays quiet on a call. Skip it if you actually intend to jog: WalkingPad's own Z3 Hybrid+ adds a handlebar and a 6.5 mph top speed, and that is the model built for the second half of this pad's name.
If it’s close but wrong
WalkingPad Foldable Walk-and-Jog Under-Desk Pad




