
If you're familiar with tube riding and barrels - small or big hollow ones - the next step is backdooring them.
The move involves taking off deep behind the peak, often beneath a section that already appears to be pitching over, and slipping straight into the barrel.
Done correctly, it allows a surfer to enter the tube almost instantly and emerge on the shoulder while everyone on the beach wonders how it was possible.
The term comes from entering the barrel through its "back door" rather than approaching it from the open face.
The name is also linked to the famous North Shore of Oahu wave known as Backdoor, a shallow right-hand reef break that shares a peak with Pipeline.
There, surfers often take off from a critical position and disappear into a tube almost immediately after standing up.
But here, we're mastering the art of backdooring a wave anywhere in the world, be it in Hossegor, Supertubos, Lower Trestles, or Margaret River.
What makes a backdoor ride different?
In a conventional barrel ride, a surfer takes off on a more open section of the wave and works into the tube as it forms. A backdoor entry reverses that sequence.
The surfer starts deeper, closer to the spot where the lip is already beginning to throw.
Instead of racing down the line to catch the barrel later, they aim to enter the hollow section immediately.
It's an approach that is especially useful on fast, hollow waves where the barrel forms so quickly that a traditional takeoff leaves little chance of making the section.
Many reef breaks and steep sandbar waves reward this deeper positioning because the tube appears almost as soon as the wave stands up.
A-frame waves in beach breaks are also great for trying out this advanced surfing maneuver.
But it's not easy. You'll need to fine-tune the timing and read the wave well.
Position yourself too deep, and the lip will pitch directly onto your head. Sit too far from the peak, and the barrel runs away without you.

Reading the wave
Backdooring starts long before the takeoff.
A surfer must identify a wave that will hollow out rather than collapse into a closeout. The best candidates are powerful waves with a defined peak and a lip that throws forward cleanly.
Many surfers look for a wedge-shaped section where different lines of swell combine to create extra thickness and curvature.
In these situations, it is often possible to paddle to the far side of the wedge and angle into the hollow section near the apex of the wave.
Wave reading becomes the most important skill.
You need to know where the lip will begin pitching, how quickly the section will run, and whether there will be an opening at the end of the ride.
The decision happens in seconds or maybe less.
The deep takeoff
A backdoor takeoff can feel uncomfortable even for experienced surfers.
The wave face is often already steepening when the surfer commits.
Instead of paddling straight toward shore, the board is angled down the line toward the direction of the breaking wave.
It's a technique that helps the surfer match the speed and direction of the section they hope to enter.
You're "knifing" into the wave. The board drops into a steep face while the lip begins to fold overhead.
Hesitation usually ends the ride before it starts.
The pop-up must be quick and clean. Once on their feet, surfers immediately engage the rail and establish a line beneath the pitching lip.

Inside the green room
The moment after takeoff is where backdooring becomes barrel riding.
The surfer compresses into a low stance to lower the center of gravity and maintain stability. Frontside surfers often use the classic pigdog position, grabbing the outside rail while crouching beneath the lip.
Speed management becomes critical. Contrary to popular belief, the goal is not always maximum speed.
Sometimes the surfer needs to slow slightly to stay inside the tube. Small adjustments with the rail, a trailing hand, or subtle body movements help maintain the correct position.
Some surfers lightly drag a hand, arm, or thigh against the wave face to create resistance and act as a brake, preventing them from outrunning the barrel.
Vision matters as much as technique.
Experienced tube riders rarely stare at the collapsing lip. Instead, they focus on the opening ahead, often called the "dog door."
Looking toward the exit naturally guides body position and line choice.
Surviving the foam ball
Starting deep often means encountering the foam ball.
The turbulent mass of whitewater forms inside the barrel as the lip impacts the wave face. It can either help push a surfer forward or knock them completely off balance.
The key is staying compact and flexible. Bent knees work like shock absorbers, allowing the surfer to absorb sudden bumps and changes in speed.
Large body movements usually create instability. Small corrections are far more effective.
A surfer who maintains speed and control through this chaotic section often finds the wave opening again on the other side.
Step by step: how to backdoor a wave
Ready to backdoor a barreling wave? Here's a simple tutorial on how to do it:
- Choose a fast, hollow wave with a clearly defined peak and a barrel section that appears likely to stay open;
- Position yourself deeper than normal, close to where the lip will begin pitching:
- Angle your board down the line rather than straight toward the beach:
- Commit to the late drop as the wave stands up beneath you;
- Pop up immediately and set your rail;
- Stay low and establish a clean line beneath the lip;
- Use subtle speed adjustments through rail control or hand drag if necessary;
- Keep your eyes focused on the opening ahead rather than the collapsing section;
- Remain compact when passing through turbulence or the foam ball;
- Continue driving toward the shoulder until the barrel releases you into open water;
Commitment, baby
Backdooring is often described as an advanced maneuver, though many experienced surfers argue the technical movements themselves are relatively straightforward.
The real challenge lies in the commitment required. The surfer must trust a section that appears, at first glance, impossible to make.
They must paddle toward a breaking lip rather than away from it. They must make decisions before the shape of the wave is fully revealed.
When everything aligns, the reward is one of surfing's most memorable experiences.
The barrel is already standing when the surfer enters, the walls wrap overhead, and the exit appears as a bright opening down the line.
For a few seconds, the entire ride takes place inside that moving room of green water.
And it's so beautiful and mesmerizing.
Words by Luís MP | Founder of SurferToday.com
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