SUB.

【Stop Guessing. Start Training with Precision.】

SUB is your ultimate running race companion. We don’t just help you track every race in Hong Kong; we provide the scientific edge you need to dominate them. Introducing the Running Intelligence—bringing elite-level exercise physiology directly to your pocket.

Whether you are a beginner aiming for your first 5K or a seasoned veteran chasing a SUB-3 marathon, SUB uses data-driven insights to plan your path to peak performance.

KEY FEATURES:
1. NEW: Running Intelligence

Elite Algorithm: Powered by the legendary Daniels-Gilbert Formula. Input your recent race time to instantly unlock your Running level.

Precision Training Zones: Automatically generate your personalized E (Easy), M (Marathon), T (Threshold), I (Interval), and R (Repetition) paces. No more manual charts or guesswork.

Race Predictor: Data-backed finish time predictions for 5K to Full Marathon. Know exactly what you're capable of before you even hit the start line.

2. The Ultimate HK Race Directory

Stay Updated: Browse all upcoming running events in Hong Kong at a glance.

Race Details: Access essential info including dates, locations, distances, and registration links.

Personal Race List: Save your favorite events and build your custom seasonal racing calendar.

3. Connect with the HK Running Scene

Training Info: Find local running classes and the latest training schedules.

Community Focused: Stay connected with the Hong Kong running community and never miss an event again.

WHY CHOOSE SUB?
Because running isn't just about effort—it's about oxygen engineering. SUB saves you the time spent searching for races and calculating paces, so you can focus on the road ahead.

Download SUB today. Don’t just join the race—SUB your goals.