
You don’t have to be as fast as you think you do.
With a 2 km/hr cut-off, your 33.3 is about finding your pace, not chasing someone else’s. See the graph below to see the average speed across some of our events.
For triathletes

Captain Matthew Webb, first to swim the English Channel, 1875

You don’t need to be a speed swimmer to take on 33.3. The minimum pace is 2 km/hr, giving you a clear benchmark to work towards while leaving plenty of room to find a rhythm that feels right for you.
And if you’re a fast, competitive swimmer, there’s a place for you too. 33.3 attracts swimmers across the full spectrum of ability, with the fastest average speed at 5.7 km/hr.
Whether you’re here to challenge yourself, race the clock or simply keep moving, there’s a pace for you.Use the guide below to understand what different swim paces look like over 33.3.
Captain Webb is your go-to guide for everything UltraSwim 33.3. Whether you’re wondering about an event, preparing for your swim, travelling to a location or simply looking for more information, Captain Webb is here to help - 24/7.
You'll find him floating in a pink bubble on the right hand side of your page.
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