Two-way pace and finish-time conversion
Start with a target pace to preview finish-time references, or start with a goal finish time to back into average pace and useful splits.
Built for race day and everyday training
Available for iPhone. Downloads and subscriptions are handled
by Apple.
Train smart. Break through to new personal bests.
PaceMaster is an iPhone training companion for marathon enthusiasts who want fast pace-to-time conversion, race prediction, and training-zone planning. Science-backed training plans and precise pacing strategies help you continuously improve your personal bests.
Available for iPhone. Downloads and subscriptions are handled
by Apple.
Pace and finish-time planning
Work from target pace to finish time, or reverse the flow in
seconds.
Race prediction
Estimate likely results from 5K through the marathon from recent
tests.
Training zones and plans
Turn current fitness and heart-rate inputs into personalized
guidance.
Race strategy generation
Create science-based pacing strategies tailored to your goals
and conditions.
Core Features
From training to race day, providing scientific guidance and precise pacing strategies.
Race performance prediction
Use recent test performances to estimate likely outcomes from the 5K to the marathon and choose more grounded race goals. Set your training direction scientifically.
Training zones and training plans
Translate current fitness, weekly mileage, and heart-rate inputs into easier-to-follow pacing and workout guidance. Make every training session more purposeful.
Smart race strategy generation
Combine goal time, course profile, weather conditions, and personal fitness to generate personalized race pacing plans that help you perform at your best.
Trust and Privacy
We keep the data story simple: local when possible, providing a secure and reliable training tool.
Data security and local storage
Your training data is stored locally on your device first. We respect and protect your privacy.
StoreKit and iCloud sync
Subscriptions are handled by Apple App Store. Optionally use iCloud to sync training data across devices.
Built for training and race scenarios
The app provides scientific training references and pacing guidance, but final decisions still require your own judgment and context.