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Princess Charlene now and then on swimming pool backdrop© Getty

Princess Charlene's 'strength building' workout for toned Olympian physique

Nancy Best of Ladies Who Crunch unpacks the secrets to Prince Albert's wife's strong look

Katie Daly
Lifestyle Writer
August 2, 2024
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It is no secret that Princess Charlene is one of Europe's most toned and athletic royals. Prior to her 2011 wedding to Prince Albert of Monaco, the Zimbabwean-born South African Charlene Wittstock was an Olympic swimmer and a rather successful one. 

The Princess, now 46, swam for South Africa in the 2000 Olympics and at the 1998 and 2002 Commonwealth Games. Since her 2007 retirement, the royal has continued to be open about her passion for sport and the importance it holds in her life. 

Prince's Albert and Princess Charlene in red jumpsuit walking© Getty
Princess Charlene has a strong physique

Speaking to Vogue, the ex-athlete said: "Sport has given me drive and discipline. It also taught me to remain humble." 

Princess Charlene lounging poolside by an outdoor pool© Getty
Charlene represented South Africa in the 2000 Olympics

Even after her retirement, the swimmer continued to train and has said that she walks regularly having cut weight training from her workout routine in the lead-up to her wedding. 

Princess Charlene with her hand through Prince Albert's arm as they're showered with petals following their wedding© Getty
Princess Charlene of Monaco and Prince Albert Of Monaco leave the palace after their wedding

To this day, the mother of two has maintained a strong and toned physique. Nancy Best, PT and founder of Ladies Who Crunch, unpacks the secrets behind Prince Albert's wife's toned and athletic look and how she keeps her body fit now she has pivoted from competitive swimming toward royal engagement. 

How to train like an Olympic swimmer

Princess Charlene in a black swimsuit emerging from the sea© Getty
Princess Charlene was a professional swimmer

Training at the top level is required to maintain your stamina as a pro swimmer. Nancy tells us that "swimming is a brilliant low-impact form of aerobic exercise because it puts your heart rate into a ‘working’ zone without putting too much stress on your joints."

This means there’s a certain level of cardiovascular fitness required to swim at a competitive level. The expert says: "The greater your VO₂ max, the more oxygen your body can consume, and the more effectively your body can use that oxygen to generate energy.

Princess Charlene swims during a training session on November 27, 2006 in Durban, South Africa© Getty
Princess Charlene swam competitively and trained for years

"Her coach will have taken a full body approach to improving her VO₂ score, incorporating dynamic cardio like sprint training, spinning, and HIIT circuits, to support her performance in the pool."

Maintaining stamina post-retirement

Prince Albert II of Monaco and Princess Charlene of Monaco attend the red carpet ahead of the opening ceremony of the Olympic Games Paris 2024 on July 26, 2024 in Paris, France© Matthew Stockman
Princess Charlene has since retired from the sport

Though Princess Charlene can't be expected to maintain Olympic-level stamina since retiring, we are sure her competitive streak will keep her motivated to keep up with her personal best. 

Maintaining her ability to pump blood around her body efficiently, with endurance-focused cardio exercise like long-distance running or cycling is Nancy's first tip for keeping the royal's stamina in check.

Charlene attended a gala dinner hosted by the International Olympic Committee (IOC) and the French Presidency at the Louvre Museum in Paris, on the eve of the opening ceremony of the Paris 2024 Olympic Games© LUDOVIC MARIN
Charlene attended a gala dinner hosted by the International Olympic Committee (IOC) and the French Presidency at the Louvre Museum in Paris, on the eve of the opening ceremony of the Paris 2024 Olympic Games

She adds that building strength and power in her muscles, particularly within her core, is key. "Every stroke, from butterfly to freestyle, requires core engagement to stabilise your body and keep good technique," Nancy says. "Resistance training is likely to play a key role in maintaining her muscle mass, now that she’s retired from competitive swimming."

The secrets to Princess Charlene's toned arms

Princess Charlene is partial to a sleeveless gown or jumpsuit - showing off her toned arms that were crucial to her sporting successes. 

Princess Charlene in red jumpsuit waist up© Getty
Princess Charlene has maintained her toned arms

Nancy tells us that a toned arm is all about creating lean muscle mass. She explains: "The most effective way to build lean muscle mass in your arms is to lift weights consistently, with adequate progressive overload. I recommend hypertrophy training (3-4 sets of 10-12 reps of each exercise) three times a week.

Princess Charlene posing in a swimsuit© Getty
Swimmers need strong arm muscles

To keep this progress going, Nancy recommends adding new stimuli and challenges. "If you’re currently doing bicep curls and shoulder presses with 3kgs, make sure you’re tracking your performance and graduating to heavier weights when it starts to feel pretty comfortable. If you don’t, your results will plateau," the personal trainer says.

Returning to working out after childbirth

Princess Charlene gave birth to twins Princess Gabriella and Prince Jacques in 2014. Though no woman should ever feel pressured to get straight to the gym after giving birth, we are sure Charlene's innate passion for sport would have signalled some return to exercise post-birth.

monaco royals at baptism© Getty
Princess Charlene is a mum of two

"Postpartum fitness isn’t a one-size-fits-all approach and given Princess Charlene’s professional sporting career, I imagine her routine will be pretty advanced!," Nancy says. 

princess charlene with princess gabriella and prince jacques© Getty
Charlene gave birth to twins in 2014

The fundamentals of returning to exercise after giving birth which Nancy feels Charlene will have incorporated into her routine include pelvic floor rehab, which is crucial before beginning impact movement, functional mobility to warm up tight calves to lumbar spine stiffness post pregnancy, and low impact, steady state movement - whether that’s hiking or going on the cross trainer. This continuous repetitive movement that works multiple muscle groups will give you all the mental health benefits of more intense conditioning, without risking impact injuries.

WATCH: The life of Princess Charlene

Maintaining her strong body at 46

Many women entering their mid-forties will start to think about how the impending menopause will impact their body.

Prince Albert II of Monaco and Charlene Wittstock dance during the 2009 Monte Carlo Rock' N Rose Ball © Getty
Princess Charlene is now 46

Charlene's focus on building lean muscle mass is already great for menopausal or perimenopausal women as it will help support the muscular-skeletal system. 

"After the age of 50, our bone density starts to decline, meaning our bodies lose bone faster than we can rebuild it," the fitness expert explains. "As you age, your chances of developing osteoporosis increases, making your bones fragile and more likely to break. Hormonal changes accelerate this process too - women can lose up to 20% of their bone density within five to seven years following menopause."

Princess Charlene looking to side in navy jumpsuit and sunglasses© Getty
Princess Charlene has an impeccable glow

To remedy this, Nancy recommends adding weight lifting into Princess Charlene's weekly routine. "Blending resistance training with movement forms that lengthen your muscles (think pilates, barre and yoga), will help to improve your posture and mobility," Nancy adds. "You want to be able to live your life and move freely, without painful niggles!". 

Don't forget diet

princess charlene white gown at monaco red cross ball © Stephane Cardinale - Corbis
Protein is key to Charlene's diet

A successful training programme should be supplemented with a balanced diet. Nancy explains: "There's a misunderstanding that eating lots of protein will make you 'bulk', but that's not the case. Princess Charlene will be ensuring she meets the protein RDA (currently 0.8 grams of protein per kilo of body weight per day)."

Protein makes up about 50% of the volume of bone in our bodies and about 33% of its mass. Eating enough high-quality protein contributes to the maintenance of sufficient muscle mass and function, which is critical for overall bone health and helps reduce the risk of osteoporosis for women as they age.

Princess Charlene in white split dress on red carpet© Getty
Princess Charlene will have access to a private chef

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Nancy adds: "She’ll also be keeping a close eye on her hydration levels, with plenty of water and electrolytes."

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