by Paul Laursen | Jul 7, 2026 | HIIT
Dan Plews lost by 40 seconds. To a two-time CrossFit Games champion. In his first ever pro HYROX race. For someone who built his engine over 15 years of triathlon, still holds the Kona age-group course record at 8:24, and was the first amateur ever to break 8 hours in...
by Paul Laursen | Jul 7, 2026 | HIIT
A 15-minute AMRAP of thrusters and pull-ups and a set of 400m sprint intervals will both leave you on the floor. Your body gets there through different systems entirely. That second workout is high-intensity functional training, or HIFT, the sport science term...
by Maria Marquina Stagg | Oct 8, 2025 | HIIT
At HIIT Science our goal is simple. Turn evidence into action. Books and courses help. But we learn fastest when we build, test, review, and ship again. That is why we created the HIIT Science Community. Inside you will find three simple building blocks: – Free,...
by Maria Marquina Stagg | Aug 4, 2025 | HIIT
Complete Guide to HIIT Science: The Revolutionary Framework Changing Athletic Training High-Intensity Interval Training has evolved far beyond simple “work hard, rest, repeat” protocols. This complete guide to HIIT science reveals the sophisticated...
by Maria Marquina Stagg | Aug 4, 2025 | HIIT
The world of elite athletics has long struggled with a fundamental disconnect between groundbreaking scientific research and practical application in training environments. While laboratories produce groundbreaking findings about human performance, coaches and...
by Stephanie Holbrook | Jul 23, 2025 | HIIT
Introduction: The Breakthrough Science to Improve Maximum Sprint Speed To improve maximum sprint speed effectively, you need more than just running faster—you need a systematic approach that addresses the fundamental components of speed development. This comprehensive...
