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Spartan Race Beast Green - Thin

7   |   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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Travis A.
United States

I am wearing it on

I am wearing it on deployment in Iraq and it holds up wonderfully in this environment!

Travis A. verified customer review of Spartan Race Beast Green - Thin
Shaun B.
United States

For me and my wife

Got the Spartan Race Beast rings, we wore them at an OCR event with no issues. I wear a 9.5 normally, I got a size 9 and it's perfect. My wife wear 4.5, got her a 4 and it too fit great.

Amanda M.
United States

5 Stars!

Nothing but good things to say! Love this product! Will always recommend!

Julia S.
United States

Spartan ring

Ring for a as expected. Functional for my job and obstacle races

Steven G.
United States

Love my Spartan rings!

Love it! It fits perfect and I don't have to take it off to work out like my old metal ring.

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 accurate 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 insure 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.  

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.