Four or Six Weeks of Unlimited Kettlebell or Extreme Cage Fighter Workout Classes at MMA Underground (Up to 74% Off)

Crystal Lake

92% of 13 customers

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In a Nutshell

Kettlebell workouts focus on strength training for definition in the upper arms and core; cage fighting builds muscle and increases agility

The Fine Print

Expires 90 days after purchase. Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. Valid only for option purchased. Reservation required. 24hr cancellation notice required. Must sign waiver. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

Unless you regularly give piggyback rides to baby gorillas, kettlebell classes may be your only chance to carry around 30 extra pounds. Try something new with today’s Groupon.

Choose Between Two Options

  • $29 for four weeks of unlimited kettlebell or Xtreme Cage Fighter Workout classes ($100 value)
  • $39 for six weeks of unlimited kettlebell or Xtreme Cage Fighter Workout classes ($150 value)

Thirty-minute kettlebell workouts build definition in the upper arms and core through strength training exercises with a kettlebell, a weighted ball with a handle. Xtreme Cage Fighter Workout classes are an intense 30 minutes of ballistic training, which was first used by cage fighters, and incorporates tires, pull-up bars, sledgehammers, stability balls, sandbags, and ab straps to build muscle and agility rapidly. Check the schedule for class times.

MMA Underground

MMA Underground is a training ground and fitness facilty for students who want to get into the best possible physical shape. The center is helmed by head coach Oscar Olivares Sensei, who brings with him a long list of achievements and venerable lineages in both stand-up fighting and ground fighting. Oscar Sensei believes that anyone can achieve their fitness goals, be they weight loss, muscle gain, or competitive fighting readiness, if the drive to succeed is there. So, he and his other instructors fuel this drive in a spacious Mixed Martial Arts facility, where clients will find a padded floor, hanging bags, and dummies waiting to punched, kicked, and jabbed during group classes or personal training sessions. Along with kettlebell and Xtreme Cage Fighter Workout classes, MMA Underground also offers mixed martial arts classes and programs for all ages.


92% of 13 customers

  • “Great instructor and wonderful class”

  • “You get your money's worth and then some. I've enjoyed it so far. ”

  • “The workouts are amazing and yes extreme! All worth it and so much more!!!!”

  1. 2

    Crystal Lake

    835 Virginia Road

    Unit C

    Crystal Lake, Illinois 60014

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For those who take care of their overall well-being with exercise, yoga, and balanced nutrition