3RS10km Live Tracking vs SUB. Marathon Pace & Training

The Hong Kong International Airport ‧ Standard Chartered Hong Kong Marathon: Three-Runway System 10km International Race mobile app is the most complete app for the ultimate event experience. It features live tracking of all participants (without using their phones), social media integration, interactive course maps, selfies and all information you need to know about the Hong Kong International Airport ‧ Standard Chartered Hong Kong Marathon: Three-Runway System 10km International Race

[Stop training blind. Let the data define your peak.] SUB is the marathon training partner built for Garmin and COROS runners. Connect your watch once and every run syncs automatically. Pick a goal — Sub-3, Sub-3:30, Sub-4 — and SUB turns it into per-kilometre target pace, the right races, and coach workouts that tick themselves off the moment your watch syncs. Free. No subscription. No ads. Whether you're chasing your first 5K or a sub-3 marathon, SUB plans your next race with science, not guesswork. CORE FEATURES 1. Connect once, then it's automatic • Garmin — every Forerunner, Fenix, Epix and Venu; runs land within minutes • COROS — Pace 3, Apex 2 / 2 Pro, Vertix 2, with full running dynamics and lap detail • Apple Watch (via Apple Health) and Polar • Use Garmin and COROS together — mileage is de-duplicated, never double-counted 2. Goal-driven pacing • Pick Sub-3 / Sub-3:30 / Sub-4 and get target pace per km or mile, plus 5K, 10K, half and 30K splits • Pace calculator for any distance and finish time, with a track mode for lap splits 3. Running Fitness engine • Elite-grade model: Daniels–Gilbert. Enter a recent result and unlock your fitness level • Five scientific training paces — E, M, T, I, R — no more guessing at effort • Race predictions from 5K to the marathon to shape your SUB strategy 4. Coaches and clubs • Coaches assign long runs, intervals and tempo; they auto-complete when a matching run syncs — no manual logging • Coached classes and running clubs across Hong Kong 5. Race intelligence • Races in Hong Kong, Japan and worldwide: dates, venues, distances, entry windows • Save races with one tap; countdowns live on your Home Screen widget 6. Built for Hong Kong runners • Live sports ground availability — opening slots and bookings for every public track • Real-time running weather • Monthly challenges with live rankings Also: Apple Watch app, weekly / monthly mileage widgets, leaderboards, English / Traditional Chinese / Japanese. WHY SUB? Because running isn't magic — it's oxygen engineering. Garmin Connect and COROS Training Hub log your runs; SUB turns that data into a goal, a pace and a plan, so you can put your energy on the road. Download SUB free. Never miss a race — or a chance to get stronger.