She is taking part in the Great Cycle Challenge for the second time and hopes to raise $1500 for research into childhood cancer.

Ms Jennings said she woud love to have some cycling buddies to keep her company during the month.

"If I can do something I love and help do something to fight childhood cancer, that's great," she said.

In the past six years, more than $16.3 million has been raised in the challenge.

Cancer is the largest killer of children from disease in Australia, with more than 600 young people diagnosed with it every year.

In addition to that, every two minutes a child is diagnosed with cancer around the world.

Anyone who would like to support Ms Jennings can visit https://greatcyclechallenge.com.au/Riders/CarolynJennings

"I would love people to join me," she said.