How to Do Front 2½ Tuck (105C) the Right Way: Mistakes to Avoid, Pro Tips & Coaching Advice
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The front two and a half tuck (105C) marks a big leap forward in your diving journey — both literally and technically. It’s a higher-difficulty dive that demands efficient connection, proper arm timing, and body control that builds off your earlier dives like 101C (front dive tuck) and front double tuck.
In this guide, I’ll break down exactly how to do a front 2½ tuck, what beginner divers mess up most often, and how to train like a pro so you can eventually hit front 3½ with confidence.
▶️ Watch the full breakdown here:
What Is “Connection” and Why It Matters for 105C
As you level up from front double to front 2½, and eventually to 3½, your connection — the timing of your takeoff into the tuck — becomes an extremely important part of the dive.
Diver Guy’s Tip: If your coach says, “Your connection is slow,” they’re usually talking about how well your arms, upper body, and legs are working together off the board. Ask to get a video so you can understand where your connection is slow!
Great connection = better height and faster flips.
Poor connection = loss of momentum and a rushed tuck.
3 Common Mistakes on Front 2½ Tuck (and How to Fix Them)
1. Leaning Too Early
Most beginner divers instinctively lean forward as soon as they land for their last jump. This causes them to move away too far and potentially have a rolling entry.
Fix it: Keep your hips and chest up a little longer. Think about “sitting” on the board and waiting for your arms to fully rise before throwing out and down.
2. Late or Bent Arm Throw
If your arms are bent, wide, or don’t move in sync with your upper body, your throw loses power — and your rotation suffers.
Fix it: Aim for a narrow, triceps-extended arm throw. Stand tall, wait until your arms are up by your ears, then throw fast and strong. The arms need to go before the upper body initiates the dive.
3. Looking Down Too Soon
Dropping your head early is like hitting the brakes. Your body follows your eyes, so if you're looking down, you'll lean down and cut off your height (usually).
Fix it: Pick a spot across the pool and stare at it until your body leaves the board. Don’t drop your chin until you're leaving the board!
What It Looks Like When Done Right
Let’s break down what experienced divers do well:
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Tall posture on the end of the board
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Arms reach 12 o’clock (or close to it) before throwing
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Triceps fire to finish the arm extension before the arms start moving down on the throw
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Eyes/Head look out — not down — until leaving the board
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Straight legs push off the board, locked at the knees, pushed all the way through the ankles then snap into tight tuck
As you progress, your tuck gets faster not just from strength — but from better positions and timing.
Pro-Level Details: From 2½ to 3½
In the final diver examples in the video, you’ll see the transition into 3½ tuck:
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The diver doesn’t need full power — his technique is that efficient.
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His triceps extend his arms fully before initiating the throw.
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He maintains a narrow line on the throw for maximum power.
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He uses visual spotting three times mid-air to line up the entry.
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The kick-out is smooth and hollow, with strong spotting cues.
Diver Guy’s Tip: If you want to eventually do 3½, you have to master 2½ with clean starts, a controlled tuck, and consistent -comeout technique.
Final Takeaways: How to Nail Front 2½ Tuck (105C)
- Stay patient on the board — no early leans
- Throw with long, strong, extended arms
- Get your 90/90 position (arms down, hips snapping)
- Keep working your hurdle form and smoothness
Want help breaking down your own dive?
Send in your clip and I’ll personally coach you through what to fix.
Let me know if this helped!
– DG