Science-backed training for every runner

Train smarter.
Race faster.

One race result. Scientifically personalised paces, weekly plans, and fitness tracking – all synced with Strava.

Compatible with Strava

Start for free. No credit card.

VDOT Calculator

One race. Five training paces.

Enter a single race result and the Daniels-Gilbert formula calculates your exact training zones. No guesswork, no generic plans.

Used by elite coaches worldwide

Your VDOT

48.2

Easy
5:42/km
Marathon
4:58/km
Threshold
4:34/km
Interval
4:10/km
Repetition
3:50/km

Smart Plans

Your perfect week. One tap.

Tell us your weekly km target, preferred run days, and current VDOT. We generate a balanced training week following Daniels' 80/20 principle – 80% easy aerobic work, 20% quality sessions.

Adapts as your fitness changes

Mon

Easy

Tue

Intervals

Wed

Rest

Thu

Tempo

Fri

Easy

Sat

Long

Sun

Rest

52km total
80/20

Fitness Tracking

See the science of your progress

The Banister impulse-response model tracks your fitness, fatigue, and form – the same model used in professional sports science.

projectedRace
FitnessFatigueForm

Plan your month

Drag and drop workouts onto your calendar. Activities from Strava auto-pair to planned workouts so you can track planned vs actual.

Know your finish time

See predicted race times across every distance, from 1500m to marathon. Track how your projections improve as you get fitter.

Seamless Strava sync

Activities, weather conditions, and routes sync automatically. Your training log builds itself.

Your daily briefing

Today's workout, current weather, weekly progress ring, race countdown, and streak tracker -- all at a glance.

Jack Daniels' VDOT

The gold standard in running science

Banister IR Model

Professional-grade fitness tracking

80/20 Polarised

The distribution used by elite runners

Your next PR starts here.

Free. No credit card. Just better running.

Start training
Compatible with Strava