The Crescent Head resident will push her body to the limits in the challenging 12 hour swim, which will start on Saturday January 4, but Renee is glad she's able to contribute to a great cause.

"As a Stage 3 melanoma survivor, I am forever grateful for the care and treatment I received and continue to receive from the incredible team of the Melanoma Institute Australia," Mrs Marchment said.

"I will be taking on the 6to6 Swim challenge in a quest to help bring awareness to Australia's National Cancer.

"I hope to raise funds to help the Melanoma Institute Australia team in their mission to find a cure for melanoma as I approach my annual check up."

Read more: Melanoma survivor walks with her saviour

Renee created the 6to6 Swim challenge and will swim through the night to ensure sun protection.

Renee invites the community to join her at the Crescent Head Aquatic Centre pool for the start of her swim, a poolside sunset picnic and to enjoy the live music from local band edu.

The Lions Club will be poolside to cook a barbecue breakfast as Renee finishes her swim on Sunday morning January 5.

The melanoma survivor encourages people to throw their support behind her by donating.

"Melanoma Institute Australia is a non-profit organisation hugely reliant upon community funding and support," Renee said.

"Without individual donors, they would not be able to continue the groundbreaking research, high standard of treatment and life saving education they offer.

"Any donation that you can make to my fundraising page is hugely appreciated."

Head to the following link to donate to Renee's 6to6 Swim fundraiser: https://fundraise.melanoma.org.au/page/6to6swim?fbclid=IwAR3B3L6EYOUzQ_wbyeCg030TjfPRrce402mPETO1_NALeL76fw0UtRMaxtY

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