The Cottesloe residents started their Zumba class two years ago at the newly renovated Eric Street Gym and have a regular Zumbalicious crew.
Mrs Stickland said the group had made great improvements in their health and fitness so they decided to challenge them even further.
‘Mudd Rush will stretch some people and is a good team event,’ she said.
The group of mostly mums and businesswomen have been meeting at a Cottesloe park and exercising to prepare for the challenge in Brigadoon.
Tri Events general manager Christo Rowley said more than 7000 people had already signed up for the second Mudd Rush but they expected up to 9000 to complete the event on August 17 and 18.
Mr Rowley said this year there would be a team event, individual race and a course for children aged seven upwards.
‘It’s a different way for people to exercise and get together,’ he said.
‘It attracts non sporting people who just want to test themselves.’
The 2013 Mudd Rush will include food stalls and entertainment at the finish line and the event will raise money for the State Equestrian Centre, Riding for the Disabled and DonorMate. Visit www.muddrush.com.
– Take this article to the Eric Street Gym at 7.30pm on a Tuesday for a free Zumba trial.