Swim Thru Rotto

Swim Thru Rotto

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Conducted in the crystal clear waters of Rottnest Island off the coast of Perth, Western Australia. Held annually since 1977, on the first Saturday of December.

03/12/2025

3 DAYS TO GO! It’s beginning to feel a lot like the Swim Thru Rottnest!!

Make sure you’ve read all event rules, information are familiar with the course map to make sure you have a smooth swim on the day!

Swimming caps and timing bands will be issued at registration and must be worn.
All buoys must be kept on your left hand side.
All swimwear must be FINA compliant.

Go to www.swimthrurotto.com for more information.

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Register now at swimthrurotto.com
Ferry discount codes available on the website.

ENTRY FEES

Monday 1 December – Friday 5 December
$40 – Under 18 years old
$50 – 18 years and older

Online registration closes 10:00am Friday 5 December 2025 (the day before the event).

All entry fees are non-refundable.

ENTRY ON THE DAY is subject to availability. Entries are filling up and if we reach capacity prior to Saturday we will be closing registrations!

Saturday 6 December (SUBJECT TO AVAILABILITY)
$50 - cash or EFTPOS available.
You will still be eligible for prizes

Swim Thru Rotto The Cottesloe Crabs

20/11/2025

We can’t wait to see you on Saturday 6 December 2025 for the Swim Thru Rottnest!

SEE IMPORTANT EVENT TIMES BELOW! You must register and collect your swimming cap and band by 11:15am sharp!

Haven't registered yet? Choose from a cruisy 500m or go for the full 1600m swim!

Register now at swimthrurotto.com

RACE START TIMES

10:00am – Registration opens
Collect any pre-ordered merchandise when you check-in.

11:15am – Registration closes

11:20am – RIA Address and Welcome to Country & Smoking Ceremony

11:30am – Swim briefing commences
All swimmers must be on the beach near the start line to allow the briefing to commence on time.

11:45am – 500m Swim
500m Swim will start all at once.
Starting waves may be used depending on the number of entries.

12:00pm – 1600m Swim
Colour coded caps issued at Registration will determine your starting position.
Swimmers will start in 3 minute interval waves and only one colour swim cap will be allowed in the water at any one time.

1:00pm – Presentations - presentations are eld at the Race Area immediately after the event to allow plenty of time for those catching afternoon ferries.

Please join us to help celebrate all our swimmers and wrap-up another fantastic event!

ENTRY FEES

Until Sunday 31 November
$35 – Under 18 years old
$45 – 18 years and older

Monday 1 December - Friday 5 December
$40 – Under 18 years old
$50 – 18 years and older

Online registration closes 10:00am Friday 5 December 2025

Entry on the Day (Saturday 7 December)
Late registrations will also be accepted on the day for $50, cash or EFTPOS available. You will still be eligible for race prizes.

RULES & INFORMATION

Swimming caps and timing bands will be issued at registration and must be worn.
All buoys must be kept on your left hand side.
All swimwear must be FINA compliant.

See website for full details.

Swim Thru Rotto The Cottesloe Crabs

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Category

Address


Rottnest Island
Perth, WA