Underdog Boxing Gym in Dublin
State of the art
boxing gym in the heart of Dublin
What are our members saying?
Underdog Boxing Gym
Underdog, located on Clarendon Street, Dublin 2, is a state of the art boxing gym, affiliated to the IABA (Irish Athletic Boxing Association), IBA (International Boxing Association) & licensed by the BUI (Boxing Union of Ireland), where you can learn the sweet science of boxing from experienced, certified and licensed boxing coaches OR get in the best shape of your life with our high intensity boxing fitness classes.
It was set up by Karl Bennett, top boxing coach certified by IABA, IBA (International Boxing Association), licensed by the Boxing Union of Ireland; and respected boxing judge at the Irish Athletic Boxing Association.
Underdog's Mission
Bringing back real boxing to Dublin by providing high quality, authentic boxing training with real boxing coaches. No BS!
Boxing Training Dublin
Boxing Fitness Classes
HIIT Boxing, Bag Blast Boxing and Power Boxing classes to help you get fit, lean and toned. You’ll work hard, sweat like a … and have fun while burning up to a 1,000 calories.
Technical boxing training
Beginner’s Boxing Courses, DogHouse, advanced boxing classes, and Fight Camps in Dublin. You’ll be coached like a competing boxer by real boxing coaches.
1 To 1 Boxing Coaching
One to One boxing coaching or personal training for those who enjoy personal attention and want to learn and improve faster, or to stay ahead of the rest.
Boxing Coaches Dublin
Karl Bennett
Owner & Boxing Coach
Karl is a level 2 boxing coach certified by the IABA (Irish Athletic Boxing Association), the IBA (International Boxing Association) and licensed by the BUI (Boxing Union of Ireland) to coach professional fighters. He started coaching boxing in 2013.
In 2015, Karl set up the Greenside Boxing Club, where he coached and prepared several boxers for the Dublin, Leinster, National and International Boxing Championships. His boxers went on to win multiple Gold, Silver and Bronze medals.
Karl is also a respected boxing referee and judge certified by the IABA who is known for his honesty and fairness. He has judged over 1,000 fights on a local, regional and national senior elite level.
And finally, but not least, he’s a former National Full-Contact Kickboxing Champion who represented Ireland at the World Championships in 2001, organised by WAKO (World Association of Kickboxing Organisations).
Kenny Byrne
Gym Manager & Boxing Coach
Kenny first laced up the gloves at the age of 5 in his family’s club in Wicklow and hasn’t looked back since. With a trail of titles from county to Leinster, including international wins under his belt, he’s more than just a veteran boxer; he’s a devoted coach. A true student of the sport, Kenny’s dedication to boxing means that he never stops learning and improving as a trainer. Kenny’s pride and joy? His clients. He’s passionate about making everyone feel comfortable and welcome from the moment they step into the gym. From novice boxers just starting out to seasoned pros aiming for perfection, he’s got your back. Kenny thrives on personal connections, taking the time to get to know each boxer individually. What’s more, his attention to detail ensures he personalises his expertise to match each boxer’s ambitions. If you’re seeking a coach who genuinely cares about your journey, is determined to help you refine your technique and develop your own unique style, Kenny’s your man.
Download the app
