Journal

Latest from the track.

Name: SpeedTrackr
Brand: SpeedTrackr
Availability: InStock
Rating: 4.8 (150 reviews)

Research-backed performance journals for the modern athlete — training, sports science, and honest data.

Reaction Pro

Reaction Time Training: What the Data Actually Shows

Reaction time is a critical performance trait, but it's often misunderstood. Discover what the data shows about training your reflexes and how to measure it accurately.

March 17, 2026 7 min read

SpeedTrackr

SpeedTrackr vs VueMotion: Which AI Coach is Better?

An honest, side-by-side look at SpeedTrackr and VueMotion — what each does well, where each falls short, and who each one is actually built for.

March 14, 2026 4 min

Ground Contact Time

What Is Ground Contact Time and Why Does It Matter?

Discover why Ground Contact Time (GCT) is the secret metric separating elite sprinters from recreational athletes, and how to improve yours.

March 14, 2026 4 min

Sprint Performance

5 Drills to Improve Ground Contact Time

Ground contact time is the single most trainable metric in sprinting. Here are five drills that directly reduce the time your foot spends on the ground — and how to know if they're working.

March 9, 2026 7 min read

Sprint Performance

How to Read Your Sprint Analysis Results

You've uploaded your sprint video and received your results. Now what? Here's exactly how to interpret every metric SpeedTrackr gives you — and what to do with it.

March 7, 2026 9 min read

Sprint Performance

How Data Transforms Sprint Performance

Most sprinters train hard but improve slowly. The missing ingredient isn't effort it's data. Here's how tracking the right metrics can accelerate your sprint progression.

March 6, 2026 8 min read

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