Her run has raised $70,000 for the conservation charity the Wilderness Society. Australia is rich in biodiversity, but has the worst rate of mammal loss of any country. Many species of animals and plants are dying out in her country.

Murray-Bartlett embarked on her marathon number of marathons to raise awareness of the extinction crisis in Australia. She missed out on qualifying for the Tokyo Olympics, so she set her sights on a record-breaking challenge. Ms Murray-Bartlett is a professional runner. She smashed the previous record of 106 marathons in 106 days. It's the most consecutive daily marathons ever run by a woman. Her five-month coast-to-coast run set a new world record.

The 32-year-old ran 6,329 km from Queensland, at the top of Australia, to Melbourne, at the bottom. She has just run 150 of them – every day for 150 days. However, marathons are no problem for Australian runner Erchana Murray-Bartlett. They would need months of training to get into shape to last the 42.195-km distance. Many people would struggle to run just one marathon.

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