How to enter

Online entries are open.
Entries close online on 2 Dec, 5:00 pm
  • There are no on-the-day entries

At a glance

  • Sun, 6 Dec 2026
  • Sydney International Regatta Centre, Penrith NSW
  • Lake Swim
  • 2.5km

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  • Sun, 6 Dec 2026

Al Koh Classic

Recommended

Recommended

  • Swimming NSW

How to enter

Online entries are open.
Entries close online on 2 Dec, 5:00 pm
  • There are no on-the-day entries

At a glance

  • Sun, 6 Dec 2026
  • Sydney International Regatta Centre, Penrith NSW
  • Lake Swim
  • 2.5km

Why this event?

Take on 2.5km at Sydney’s iconic regatta course

The Al Koh 2.5km Classic is a dedicated open water community swim at Sydney International Regatta Centre, giving swimmers the chance to take on a flat, uninterrupted 2.5km in one of Sydney’s most impressive aquatic venues.

The distance hits a sweet spot. It’s long enough to test your endurance and pacing, while still being an achievable next step for swimmers looking to move beyond shorter open water events.

With a wide, clearly defined course and no swell or surf to negotiate, swimmers can concentrate on finding their rhythm, holding their pace and putting together their best 2.5km swim. For more experienced competitors, it’s an ideal setting to race hard and chase a quick time.

The purpose-built regatta venue also makes it a great event for supporters, with extensive pathways and viewing areas around the water offering plenty of opportunities to follow the race and cheer swimmers home.

Whether 2.5km is your next big milestone or a distance you love to race, the Al Koh 2.5km Classic is a chance to stretch yourself, swim fast and enjoy a memorable morning on the water.

On the day

What's on offer

2.5km Lake Swim
  • Community Swim
  • 14 years

The signature swim of the day, taking on an accurately measured 2.5km course around the regatta lake. Fast, flat and spectator-friendly, it’s an ideal challenge whether you’re stepping up in distance, chasing a PB or simply enjoying a great open water swim.

What’s on when

12:30-1:30 pm – Registration
2:00 pm – Start

Prepare for this event

Up The Ante: 2km Training Program
Step up in distance with this training program designed to build you up & guide you all the way to the finish. Learn more

Learn online with the OceanFit Academy or join a hands-on ocean clinic to improve your surf and open water skills.

Event support

Ocean Swims provides event support on behalf of the event organiser.

Ask a question

Pre-event: Use the event support contact form for all event queries.

Event day: For support on the day of the event, talk to an event official. Urgent event updates will be communicated via SMS. If you don’t hear from us, the event is on as and where scheduled.

Manage your entry

Transfers: You can transfer yourself to a different distance or transfer your entry to another person via your Race Roster dashboard up until 12 pm the day prior to the event. Fees may apply. Visit your dashboard

Refunds: View the event’s withdrawl and cancellation policies.

Cancellations

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