Three-Cone Drill (L-Drill): Protocol, Technique, and Time Standards

Watch a rookie run the three-cone drill for the first time and the tape almost always looks the same. The first two legs are clean — a hard 5-yard sprint out and back — then the wheels come off on the weave. The turn around the far cone rounds into a wide loop, and a quarter-second or more vanishes into a corner that should have cost almost nothing.

The three-cone drill, also called the L-drill, is one of three agility tests run at the NFL Scouting Combine, and it's the one most often mistimed by athletes who train the sprint but never rehearse the bend. Sierer et al. (2008), analyzing combine data from the 2004 and 2005 draft classes, found that three-cone times separated drafted from undrafted defensive linemen and running backs more consistently than several straight-line speed measures — though the same study found no meaningful separation for wide receivers, a reminder that the test's value depends on position. This guide covers the course, the technique that separates fast times from slow ones, and how to train a specific weakness in the pattern.

What the Three-Cone Drill Actually Measures

The drill packs three direction changes into roughly six seconds: a straight sprint-and-return, like a mini shuttle, followed by two arcing turns of different radii. The 40-yard dash gauges straight-line speed and the 5-10-5 gauges hard 180-degree cuts, but neither captures the ability to stay low and bend a turn at speed without bleeding velocity — the skill a cornerback needs to flip and run with a receiver.

Because the two weave turns are curved rather than a dead-stop reversal, the drill rewards rotational hip mobility and a low center of mass through continuous direction change, not just raw braking strength. An athlete elite on the 5-10-5 but only average here usually has strong linear deceleration but limited capacity to redirect force through a bend — a gap that matters most for players whose speed shows up in curves, like route running, rather than square cuts.

Course Layout and Equipment Setup

Three cones form a right angle: Cone A is the start and finish, Cone B sits 5 yards ahead of A, and Cone C sits 5 yards to the side of B, completing the L. Use a rigid tape, not a cloth tape under tension, to set the 5-yard (4.57 m) spacing — cloth tape can stretch 1–3 cm per span, and here that error compounds across three legs instead of two.

• Surface: Note turf, hardwood, or grass, and moisture. Wet grass alone can add 0.15–0.25 s to a recorded time.
• Timing: Dual-beam gates at Cone A capture start and finish automatically. Hand timing carries roughly ±0.10–0.15 s of error, so keep one operator timing every trial.
• Stance: Athletes start in a three-point stance straddling Cone A and choose which direction to touch first — timing begins on first movement, not a starter's command.

Phase One: The Sprint-and-Touch-Back

From the stance at Cone A, the athlete sprints 5 yards to Cone B, touches the ground with the outside hand, then reverses and sprints back to touch down at Cone A again. This opening segment is mechanically a single 5-10 shuttle rep: a low first step, a short final stride into the touch, and a touch that lands on the natural foot-plant rather than a separate reach.

Most time lost here comes from over-striding on the approach. Covering the final yard in one long stride forces a hard deceleration from a stretched-out position; shortening the last two strides by roughly a foot each keeps the hips loaded and, per film review across youth and college sessions, tends to shave 0.05–0.08 s off this segment alone.

The Weave Around Cone B and C: The Technical Crux

After the second touch at Cone A, the athlete sprints back toward Cone B — but doesn't stop there. The path bends around the outside of B, drives 5 yards laterally to Cone C, curls tightly around it, then comes back around the outside of B a second time before finishing through A. Nearly all separation in three-cone times happens here, since it's the only segment requiring a direction change while still moving forward.

Two things decide how tight this weave runs. Turn radius: drifting wide around B and C costs ground with every extra inch of arc, since a wider radius at the same angular velocity covers more distance. Elite performers plant the inside foot close enough to nearly graze the cone base, leaning inward roughly 10–15 degrees from vertical rather than circling it upright. Step count matters too — well-trained athletes complete the Cone C curl in two to three quick steps rather than a wide four-or-five-step loop.

Common Technique Errors and How to Fix Them

Most of the gap between a 6.9-second three-cone and a 7.3-second one isn't conditioning — it's one of these habits, repeated in every session:

• Rounding the Cone C turn. Fix it externally: place a second marker 12–18 inches outside Cone C and cue the athlete to stay inside it. A physical boundary changes the motor pattern faster than reminders about staying tight ever do.
• Standing tall through the weave. Keeping the eyes and chest high through the curl loses the hip lean that shortens the radius. Filming from directly overhead — even a phone on a ladder — exposes this in a way sideline video never does.
• Reaching for the ground touch instead of stepping into it. A reach adds an extra ground contact for no forward progress. Rehearse at half speed until the hand meets the ground on the natural foot-strike.
• Decelerating early before Cone A. Cueing the athlete to sprint two steps past an imaginary line beyond the timer usually removes this within a session or two.

NFL and Collegiate Norms by Position

Published NFL Combine data aggregated across recent draft classes, along with collegiate testing databases, put typical three-cone times in these ranges. All times in seconds.

Kuzmits and Adams (2008) examined whether combine drills, including the three-cone, predicted eventual NFL performance rather than just draft position. Its correlation with later playing-time outcomes was weak and inconsistent, generally below r = 0.25 — a good three-cone time reflects present ability, not a guarantee of production.

Training Applications Based on Time and Pattern

Two athletes can post the exact same three-cone time for very different reasons, so the number alone doesn't tell you what to train. Watch which phase eats the time:

1. Slow on the sprint-and-touch-back: Points to eccentric-braking deficits. Nordic hamstring curls, single-leg RDLs, and short-approach deceleration drills — sprint 10 yards, stop within two strides — build posterior-chain strength.
2. Wide, slow weave but fast straight segments: A mobility and lean-angle problem more than a strength one. Lateral bound-to-stick drills, banded hip rotation work, and cone-curl reps at progressively tighter radii retrain the pattern directly.
3. Slow across every phase: Usually a general reactive-strength limiter. Depth jumps, resisted sprint starts, and two to three weekly sessions of mixed-angle cutting volume move the whole time down together.

Retest every 3–4 weeks rather than every session — scores swing roughly ±0.10 s from touch-technique variance alone.

Reliability and Testing Conditions

Because the three-cone carries more technical components than a straight sprint, its reliability depends heavily on how consistently the weave is executed. Reported intraclass correlations for trained populations generally sit in the 0.80–0.90 range — solid, but lower than the 0.88–0.94 typically reported for the simpler 5-10-5, consistent with the added variance of two curved turns.

• Warm-up state: Athletes tested cold, without two full-speed practice reps of the weave, routinely post first-attempt times 0.15–0.25 s slower than later attempts.
• Cone placement drift: Two of the three cones get grazed repeatedly and shift more than in single-path tests. Re-measure all three every three to four trials.
• Trial count: Best-of-three is standard; a fourth rarely improves the score and mainly adds fatigue.

Tracking Three-Cone Performance with PoinT GO

Film review shows a wide turn radius but can't quantify the force behind it. Pairing video of the weave with PoinT GO's IMU data, logged during the same rep, lets a coach match a visibly wide turn to the actual deceleration numbers and confirm whether the fix is technical or physical. Athletes who plateau despite clean technique on video often have a genuine strength ceiling that only shows up in the sensor data.

Running CMJ and reactive-strength-index checks through PoinT GO before a session also flags athletes carrying residual fatigue that would silently inflate a three-cone time. Learn more at poin-t-go.com.