Chiller competed in the Killarney Triathlon about a decade ago and it was the bike leg that put her off the sport.

"I kept getting passed on the mountain bike," she said.

"Swimming and running I'm fine with, I hate bikes."

Ten years later, Chiller is ready to take on her second triathlon.

She'll compete in Sunday's Foreshore Triathlon at Warrnambool breakwater.

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She's found a way around the bike leg by entering the event with friends Prue Nadaraj and Dallas Jones.

Jones will push the pedals and Nadaraj will take to the water in the Warrnambool Tri Club-hosted event.

Meanwhile, Chiller will take part in her first competitive running race in years.

"They asked me if I'd be part of the team - I do Pilates with them and I'm friends with them," she said.

"And I just said yes."

The Powered by Pilates team will compete in the open event which challenges competitors to complete a 500-metre swim, 20-kilometre bike ride and 5km run. It starts at 7.30am.

Chiller won't be the only one getting back into triathlon.

There is a Come and Tri event which starts at 7.45am with a 250m swim, 5km ride and 1.6km run.

It's ideal for beginners and people returning to the sport.

There is also an all-abilities event starting at 10am and junior events start at 10:45am.

Nadaraj is well prepared for her 500m swim leg.

She got back into triathlons this season and competed in the Hopkins Mini Tri Series.

She also participated in the Shipwreck Coast Swim Series and swims every second day.

Meanwhile, Jones is getting back into cycling.

He said the Foreshore Triathlon would complement his training.

Nadaraj and Jones also did the Killarney Triathlon and aquathon criterion earlier this season.

Nadaraj said the Warrnambool Tri Club's president and committee were supportive and she encouraged people to get involved in the sport.

"Anyone who is thinking about it, I'd just encourage them to have a go," she said.

The Foreshore Triathlon returns to Warrnambool this year after being held at Killarney last year.

There are strictly no on-the-day registrations for the open and Come and Tri events. Registrations can be made online or in-person on Saturday from 3-5pm at the Pavilion Cafe and Bar.

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