Les Mills FUNCTIONAL STRENGHT™.

Who Is This Class For

Les Mills Functional Strength™ is designed for anyone who wants to build real, usable strength, whether you are new to free weights or already train regularly.

If you are new to barbell training, Les Mills Functional Strength™ gives you access to the fundamental movement patterns in a coached, structured environment. Your instructor will guide you through technique on every exercise, helping you build the movement quality and confidence that is difficult to develop alone on the gym floor. Learning to squat, hinge, press and pull correctly in a class setting is one of the most valuable things you can do before taking those movements into your own training.

If you already lift, Les Mills Functional Strength™ provides a structured, coach-led session built around the compound movements that drive the most meaningful strength gains. Training in a group format with a set programme and a time limit pushes you to maintain intensity throughout the session in a way that self-directed training often does not.

The class is also well suited to athletes training for sport outside the gym. Swimming, rugby, cycling, football, tennis and running all benefit from a foundation of functional strength. The movements trained in this class, pushing, pulling, squatting and hinging under load, directly develop the physical qualities that improve performance across most sports.

What Les Mills Functional Strength™ Trains

Les Mills Functional Strength™ is primarily a strength programme. The compound movements used in each session recruit large muscle groups simultaneously — legs, back, chest, shoulders and arms working together rather than in isolation. This produces a greater muscular and hormonal stimulus than isolation-based training and builds the kind of strength that carries over into real life.

The programme develops maximal strength and muscular power, which are distinct qualities from the muscular endurance trained in higher-rep classes. With heavier loads and fewer repetitions, the central nervous system is more heavily recruited, driving the development of fast-twitch muscle fibres and functional strength that is applicable beyond the gym.

Coordination and body awareness are also central to the programme. Functional movements require the body to work as a unit, improving your ability to control a load through a full range of motion, stabilise your joints under pressure and coordinate multiple muscle groups at once. These qualities reduce injury risk and make you more physically capable in sport and in everyday life.

Beyond the physical benefits, there is a measurable confidence effect that comes from learning to lift heavy in a structured environment. Progress in Functional Strength is tangible — you add weight, the movements become cleaner and the things that once felt difficult start to feel manageable. That sense of physical capability extends well beyond the studio.

Where Les Mills Functional Strength™ Runs

Les Mills Functional Strength™ is available at all four Iconic Health Clubs locations across Dublin.

Smithfield (Dublin 7) Les Mills Functional Strength™ runs at Smithfield on selected weekdays. Check the timetable on the app for current session times and studio details.

Dartry (Dublin 6) Dartry offers Les Mills Functional Strength™ across multiple time slots throughout the week, including morning and evening options. This is the best location if you want flexibility in when you train.

Camden Street (Dublin 2) Les Mills Functional Strength™ runs at Camden St on weekdays. Sessions take place in the Aerobics Studio.

IFSC (Dublin 1) Les Mills Functional Strength™ is available at IFSC on selected evenings and Sunday mornings in the Iconic One studio.

Book via the Iconic Health Clubs mobile app or check the full timetable for your preferred location to see current times.

Les Mills Functional Strength™ vs BodyPump

Both Functional Strength and BodyPump are barbell-based group fitness classes, but they train different physical qualities and suit different goals.

BodyPump focuses on muscular endurance and toning through lighter weights and high repetitions. The goal is to exhaust each muscle group over the course of many reps, building lean muscle and burning a high volume of calories. The format dedicates individual tracks to specific muscle groups and is more aerobically demanding over the course of the session.

Functional Strength uses heavier loads and lower repetitions, with movements that mirror real-life patterns like squats, pushes and pulls. The goal is to build raw strength, athletic power and coordination. Each repetition is more physically demanding, even though the total volume is lower.

If your goal is toning, calorie burn and muscular endurance, BodyPump is the better fit. If you want to build strength and power that transfers into sport and daily life, Functional Strength is designed for exactly that. Many members train both across the week and find they complement each other effectively.

Other Les Mills Classes at Iconic

Les Mills BodyPump — The original barbell class for lean muscle, toning and calorie burn. Available at all four locations.

Les Mills BodyCombat — A high-energy martial arts cardio class burning up to 740 calories. Available at Smithfield and Camden St.

For the full range of classes at Iconic Health Clubs, visit our Group Fitness Classes Dublin page.

How to Book

All classes at Iconic Health Clubs are included with your membership at no extra cost. To reserve your place, download the Iconic Health Clubs mobile app and book in advance. Functional Strength is a popular class at every location, so booking ahead is recommended.

If you cannot attend, please cancel at least 2 hours before the class so another member can take your place.

Not yet a member? Book a free club tour to see the facilities and speak to the team about which membership option works best for you.