Earlier, we provided some practical advice for those seeking the mud pit this weekend.

If you are reading this fresh off of your Equinox treadmill-and-steam routine and wondering why the idea of messy cardio has appealed to thousands this year, we can explain the phenomenon in two words, mud + women.  While we're sure plenty go for the comradery, to support a good cause, or to spice up the daily training routine, it's a given that seeing the opposite sex rolling around the mud is straight from your favorite Survivor-inspired fantasy.

If you need some extra convincing to sign up for your local run, click through the above.

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