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Fred Duncan
@Fred__Duncan
Sprinting is unique.

It shows up in almost every sport.
Acceleration, max velocity, chasing, separating, reacting.

Because of that, a lot of people assume sprinting just “takes care of itself.”

But in training, sprinting is still used as a general stimulus.

And general
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Fred Duncan
@Fred__Duncan
stimuli only create specific adaptations when they’re applied deliberately.

Just sprinting in practice doesn’t guarantee you’re:

- Expanding the alactic envelope
- Giving the hamstrings and hip flexors enough high speed exposure
- Training elasticity and stiffness at the
Fred Duncan
@Fred__Duncan
velocities that matter
- Improving mechanical efficiency
- Or even accumulating enough quality volume to adapt

If sprinting is done under fatigue, with unknown reps and distances, and no real intent or feedback, it’s not true/effective speed training.

Speed improvements come
Fred Duncan
@Fred__Duncan
from how sprinting is applied, not the fact that it happens.

That’s exactly what Speed Kills is built around.

It breaks down sprinting as:
- A physical quality
- A neurological quality
- And a skill that has to be trained with intent

You’ll see how I structure
Fred Duncan
@Fred__Duncan
sprint volumes, how I expose athletes to high velocity safely, how sprinting ties into hamstring health and elasticity, and how all of it fits inside a complete training week without burying athletes in fatigue.

Speed doesn’t improve accidentally.
If you want it to actually
Fred Duncan
@Fred__Duncan
improve, it has to be trained deliberately.

That’s what Speed Kills is for.

fredduncantraining.com/product/speed-…
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