Duchess Kate shows off sporty side in special Commonwealth boat race - best photos

The Duchess of Cambridge was a true sportswoman on Sunday as she set out to compete alongside SailGP's GB team in a special Commonwealth boat race in Plymouth.

MORE: Prince William reveals the one sport he can't beat Kate Middleton at

The Duchess looked sensational as she fully embraced the nautical theme in 'Oyster' tailored shorts from Holland Cooper and a black and white striped jumper. She wore her beautiful brunette tresses in natural waves for the event and completed her look smart white trainers.

WATCH: Duchess Kate plays tennis with children

Kate soon changed into her boating wear which included a full-length wetsuit and a life jacket. She swept her locks up into a ponytail which she fed through a grey cap.

READ: Best photos of the royals playing sports including Kate Middleton, Meghan Markle and more

SEE: Inside Prince George's private tennis lessons with Wimbledon star Roger Federer

On the front of the hat read: "GBR, Sail GP team." The Duchess appeared to be in high spirits ahead of her race as she was captured grinning from ear to ear and signalling a thumbs up.

The mother-of-three was then seen on board the vessel with her new teammates as they set sail.

kate-middleton-boat-race-outfit
kate-middleton-boat-race-outfit

The Duchess looked sensational 

The exciting, friendly competition was against New Zealand ahead of the final day of the Great Britain Sail Grand Prix. Kate became a full member of the British crew, working with the rest of the team to race the boat at speeds of up to 50 knots (more than 55 mph).

duchess-kate-holding-frame-plymouth
duchess-kate-holding-frame-plymouth

Kate chatted to members of the 1851 Trust

The New Zealand Team helmed by Peter Burling, hosted environmentalist Lewis Pugh as its Guest Racer.

kate-middleton-wetsuit-and-cap
kate-middleton-wetsuit-and-cap

Duchess Kate was all smiles

Whilst visiting Plymouth, Kate also met with young members of the 1851 Trust, of which she is Royal Patron.

duchess-kate-on-the-boat-ahead-of-commonwealth-race
duchess-kate-on-the-boat-ahead-of-commonwealth-race

She fit straight into the team

Her Royal Highness joined a group of children taking part in the Protect Our Future Programme, run by the Trust which aims to empower and equip young people and educators with skills and knowledge to understand climate science and take positive action.

shaking-hands
shaking-hands

Kate was clearly thrilled to join the British team

No wonder the Duchess was excited - she helped the British team to victory! The team snagged a British sailing victory over New Zealand in front of a huge crowd of enthusiastic supporters.

MORE: Prince William reveals the one sport he can't beat Kate Middleton at

kate-smiling
kate-smiling

The sporty Duchess donned a wetsuit for the event

Great Britain took on endurance swimmer and environmentalist Lewis Pugh as a guest racer alongside Peter Burling and Blair Tuke on the New Zealand F50, but had an easy victory in the end.

kate-helmet
kate-helmet

Kate appeared to be having a great time in Plymouth 

Kate was joined by Olympic athlete Sir Ben Ainslie, who said: "She’s a really good sailor in her own right, she has sailed with me on foiling boats as well."

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