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I’ve had a few swimmers comment on this blog about their stroke rhythm, and as it happens, I managed to get my hands on a new product called the Wetronome.

This small, simple device can help you refine your rhythm, timing, and stroke rate, acting as a metronome in waterproof form.

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What Is the Wetronome?

As the name suggests, the Wetronome is like a metronome, but built for swimmers.
It emits a beeping signal at preset intervals, helping you maintain a consistent pace and develop an efficient stroke rhythm.

Each beep marks the start of a stroke, allowing you to fine-tune your timing and eliminate dead spots in your stroke cycle.

Wetronome - metronome for swimmers
Wetronome - the metronome tempo trainer

Your ideal stroke rate depends on the stroke type and distance you’re training for. Too slow and you create pauses, too fast and you lose power.
The Wetronome helps you find your personal “sweet spot” for stroke tempo.

How to Set Up and Use the Wetronome

Setup is very simple.

Use the small magnetic wand included in the package to tap the device and adjust your desired interval. A few beeps later, it’s ready to go.

You can even reset it through your swim cap. There is no need to remove it from your head between sets.

Once programmed, tuck the Wetronome under your goggle strap or beneath your swim cap, either in front of or just behind your ear.

Finding the Best Placement for Comfort and Sound

Proper placement is key to hearing the beep clearly without interfering with your stroke.

For me, the best position is slightly behind the ear, closer to the middle of the back of the head.

This lets me hear the beeps clearly while keeping my arms free to move.

Stroke rate wetronome
Improve your stroke rate with Wetronome

Don’t worry about disturbing other swimmers, the beep volume is subtle enough that only you will hear it unless someone is swimming right beside you.

How the Wetronome Improves Your Stroke Rate

The Wetronome is more than a pacing tool.

It’s a stroke-rate training device.

By synchronizing each arm movement with the beep, you develop a steady tempo and avoid gaps in your pull.

This helps you:

  • Maintain consistent propulsion
  • Reduce dead spots in the stroke
  • Improve your pacing awareness

It can be used with any stroke, not just freestyle, making it a versatile training companion.

🎥 The Benefits of using the Wetronome

Creative Uses Beyond Stroke Rhythm

The Wetronome can also be used for mindful or association swimming, using each beep as a mental cue.

For example, if you’re focusing on a high elbow catch, you can associate every beep with that movement:
beep - good catch, beep - good catch.

This builds muscle memory over time.

It’s also great for relaxation swims. Set it at a steady pace and just cruise, like a cycling spin session to good music.

If you coach a group, you could even use a submerged speaker version of the device to cue an entire team during drills.

Wetronome - metronome for swimmers
Wetronome swimming pace trainer

Update: Finis Tempo Trainer Replacement

The original Wetronome is no longer produced, but a modern equivalent exists, the Finis Tempo Trainer.

It works on the same principle, with a slightly more intuitive interface and reliable construction.

🎥 The Tempo Trainer

Whether it’s the Wetronome or the Tempo Trainer, the concept remains the same, an audio cue for rhythm and tempo is one of the simplest and most effective swim-training tools you can use.

Frequently Asked Questions

What does the Wetronome do for swimmers?

The Wetronome emits a regular beep to help swimmers maintain a consistent stroke rate or tempo. Each beep cues the start of a stroke, improving timing, rhythm, and pacing awareness.

How do I adjust the Wetronome's beep interval?

Use the included magnetic wand to tap the device and change the interval. You can even adjust it through your swim cap without removing the unit from your head.

Where should I place the Wetronome for best results?

Place it under your swim cap or goggle strap, just behind your ear. This allows you to hear the beep clearly without interfering with your arm movement.

Can I use the Wetronome for strokes other than freestyle?

Yes. The Wetronome works for any stroke (freestyle, backstroke, butterfly, or breaststroke) wherever maintaining a steady rhythm improves efficiency.

Will other swimmers hear the beeping?

No. The sound is quiet and only noticeable to you unless someone is swimming right beside you.

Is the Wetronome still available to buy?

The Wetronome has been discontinued, but the Finis Tempo Trainer is a great alternative that offers the same functionality with modern updates.

Can I use it for relaxation or mindfulness swims?

Absolutely. Many swimmers use the rhythmic beep to unwind after work or to focus on specific stroke mechanics during meditative swims.

Swim Advice Topics

Wetronome - The Metronome For Swimmers is part of the following categories: Swim Gear and Equipment, Product Reviews and is meant for swimmers in: Level 3 - Intermediate, Level 4 - Advanced

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Comments (5)

Connecticut Swimming said...
This is something that we have been looking into for our Master's program, but haven't had the funds to get at this point. It's definitely something to try, and thank you for the post!
Reply
Adam Young said...
Hi. I can't find a way of contacting you other than posting a reply. I'm a coach with Swim Smooth, we distribute the Wetronome. Thanks for your positive comments about the 'nome.

Please email me if you would be interested in reviewing a Wetronome and we'll send you out a sample. We're think they're extremely valuable for nearly any swimmer and are keen to spread the word as widely as possible.

Cheers! Adam Young
adam@swimsmooth.com
Reply
Ashley said...
What an awesome tool! I have never seen this, but I'm going to have to tell my colleagues and start using it with my students. Thanks for the information!
Reply
Viento Sutil said...
Where could I buy one? Seems to be a great gadget.
Reply
Anonymous said...
According to my experience, if you want a swimming metronome, COUNTU Tempo might be a better option. Smaller, More function and brand new model. You could check the further information at www.countu.net
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