About
Built on a methodology.
Not a template.
Threshold translates the Norwegian lactate-threshold framework — documented by Marius Bakken across 5,500+ lab tests — into training plans that hold up under real schedules, real fatigue, and real injury risk.
What we stand for
Three commitments, enforced in every release.
Nothing invented
Every training decision the app makes traces back to a published source — Bakken's framework, Daniels' VDOT tables, peer-reviewed sports science. Where the literature is debated, Threshold is conservative.
Safety is not optional
Volume cap at 10% per week. No session more than 30% longer than recent history. Deload every 3–4 weeks. Long runs capped at 35% of weekly volume. The rules engine refuses to let you break them, even if you ask.
Translated from Norwegian
The Norwegian Method has been practiced by Norwegian distance coaches for decades but was almost never available in app form — and the versions that exist usually dilute the methodology. Threshold keeps the framework intact and lets you train it without a lab.
Honest scope
What Threshold isn't.
Not a coach. Threshold is a training tool. For race-specific coaching, injury rehabilitation, or performance diagnostics, work with a qualified human coach or sports-medicine professional.
Not medical advice. The app is built on published training science, not clinical protocols. If you have a pre-existing condition or experience pain during training, talk to a healthcare professional first.
Not a celebrity endorsement. We don't claim any specific Olympian uses Threshold. The methodology we implement was developed in Norway and has been used at the elite level for decades. We credit the people whose work it is, and we stay in our lane.
Provenance
Where the plans come from.
The training framework originates with Marius Bakken, a two-time Olympian at 5,000 m and former Norwegian record holder, who developed the modern version of the Norwegian Method through 5,500+ lactate tests on himself and other Norwegian runners in the late 1990s and 2000s. It is now documented in The Norwegian Method Applied(Bakken & Magness, 2026).
Paces are computed using Jack Daniels' VDOT tables — a decades-old, publicly available framework for translating race results into training paces.
Safety rules are distilled from mainstream sports-science literature on training load, recovery, and injury risk — the same principles used by reputable coaches worldwide.
Threshold is an independent product. It is not affiliated with, endorsed by, or sponsored by Marius Bakken, Jack Daniels, or any Norwegian sporting federation or athlete.
Train like a Norwegian.
Two minutes in the quiz. Seven days free. Cancel any time.