Tag · 3 articles

30 15 ift

The 30-15 Intermittent Fitness Test: A Complete Guide to VIFT

One VIFT number hides more than it shows. See the validation research behind the 30-15 IFT and how it compares to Yo-Yo and beep tests.

30-15-ift·vift·intermittent-fitness-test

guides·8 min read

Rugby Sevens Conditioning: Building Repeated Sprint Capacity

A 7-minute half hides brutal work:rest ratios. Real GPS data, the 30-15 IFT protocol, and a repeated-sprint block built for rugby sevens' recovery windows.

rugby-sevens·repeated-sprint-ability·team-sport-conditioning

how to·8 min read

30-15 Intermittent Fitness Test: Full Protocol and VIFT

Running the 30-15 IFT without correct audio pacing skews VIFT. Get track setup, calculation steps, norms, and how to build intervals from your score.

30-15-ift·intermittent-fitness-test·vift