Tag · 5 articles
sprint testing
how to·10 min read
Chest-Strap Heart Rate Dropouts During Sprints: How to Diagnose and Fix Them
The trace looks fine on the jog in, then flatlines or spikes to 220 the moment you hit top speed. Separate the real causes and stop losing sprint HR data.
heart rate monitoring·chest strap·sprint testing
research·9 min read
Why Flying Sprints Record a Higher Top Speed than Standing Starts
Flying sprints measure true top speed; standing starts measure acceleration. Here's the split-time math and protocol to test both correctly.
sprint testing·max velocity·acceleration training
how to·9 min read
How to Measure Stride Length and Stride Frequency in Sprinting: A Field Protocol
A field-tested protocol for measuring stride length and stride frequency in sprinting with a phone, cones, and a stopwatch — no lab required.
sprint mechanics·stride length·stride frequency
guides·9 min read
Sprint Time Norms: 10m, 20m, and 40-Yard Benchmarks by Age and Sport
Sprint time norms by age, sex, and sport (soccer, football, track), plus why hand-timed 40-yard dashes read up to 0.24s faster than laser.
sprint testing·sprint norms·youth speed development
guides·9 min read
Timing Gates vs IMU: Which Sprint Timer Is Worth It?
Timing gates and IMU sensors both promise accurate splits, but differ in setup time and cost. See which fits a 20-athlete squad versus a solo trainer.
sprint testing·IMU·timing gates