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Spartan Race Beast Green - Thin

12   |   Size Guide


We have a NO BS Unlimited Warranty on our rings. Break it, stretch it, lose it or aren't satisfied in any way and we have you covered.


Exchanges are SUPER easy! If you happen to choose the wrong size, we'll ship you a new ring right away. You send the old ring back at your convenience. It's legit!

Groove Ring is now the Official Ring of the Spartan Race!

The Spartan Race is the ultimate challenge, for both the team and the individual. What better way to represent your commitment to excellence than with an Official Spartan Groove ring? Engraved with the official race logo and available in Sprint Red, Super Blue and Beast Green, it’s a must-have for all race participants or fans of Spartan.


Customer Reviews

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  • Reviews (12)
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Molly M.
United States

Excellent Ring!

Fits so well and has a better feel than other rings out there. Excellent customer service and warranty. Love my Groove!

Tracy W.
United States

So awesome!

I first saw Groove rings at Spartan World Championships inTahoe October 2017 and loved the red one! Later the blue and green became available! So much awesomeness! Love the feel of these rings. Perfect for an active lifestyle.

Tracy W. verified customer review of Spartan Race Beast Green - ThinTracy W. verified customer review of Spartan Race Beast Green - Thin

Groove Rings

Hi Tracy, That is what we love to hear! Keep spreading the word and keep Groovin! AROO!!

Ashley K.
United States

Spartan beast ring

It’s great! Really breathable and has enough flexibility so if I’m in a CrossFit class or out in the spartan race it doesn’t pinch. It feels like it’s not even thier. I bought two more rings or other styles bc I love it so much.


Groove Rings

Hi Ashley, Sounds life you really put your ring to the test! We just came out with some new colors, in case you want another one! Keep Spreading the word! Aroo!! Cheers and Keep Groovin!

Antonio T.
United States

Groove ring

I bought this for my wife and she loves it! She won’t even wear her regular ring anymore. She says it’s perfect for workouts and does t snag! Extra points because it’s a Spartan ring and the beast was her greatest achievement. She also gets irritated on her finger with metals and the groove ring doesn’t do that. She tells anyone who asks that it’s from groove

Urbana, IL

Love these rings

I don't ever wear my diamond ring because I have a very physically demanding job and I workout daily. I can't do everything with this ring and I barely notice it's there. Plus I'm stoked it is a Spartan ring because I love doing Spartan beasts especially. Great ring, super comfy and super service

Silicone Ring Sizing Guide By Groove Ring

Purchasing a ring online is typically a challenge but not anymore.  Our super handy measurement sheet below is a sure fire way to get an accurately sized ring the first time. If after you size your finger and still don't get the right size, not to worry.  We have an easy exchange policy to ensure a perfect fit.  Click on the picture below to download and print.  IMPORTANT: Groove is designed to be worn snug to your finger. Even if you know your size please re-measure.  

Desktop Computer (need a printer)
Mobile Phone (need a ring)

Important:  For silicone ring sizing accuracy page MUST be printed @ 100% on your printer settings

Note: GROOVE silicone rings breathe and are design to be worn snugly on your finger. If you are a half size we recommend sizing down.

String Test

The Paper Test

silicone ring sizer

The Ring Test

And that's it!  You should have the perfect fit for your new Groove Ring!  Remember if your ring doesn't fit correctly after receiving it we will replace it for free.