Meet ChainLink: Professional Endurance Analytics Without the Subscription
Transform your raw Garmin, Wahoo, Strava, and Hammerhead ride data into actionable race fitness. Track your PMC (CTL, ATL, TSB), analyze power duration curves, and push structured workouts to your devices—100% free.
Performance Management Chart (PMC)
Monitor Chronic Training Load (Fitness), Acute Training Load (Fatigue), and Training Stress Balance (Form) to time your race peaks with mathematical precision.
Power Duration Curves
Benchmark your peak 5s sprint, 1m anaerobic, 5m VO2 max, and 20m threshold wattage outputs against your season bests automatically.
Background Auto-Sync
Seamlessly import activities from Garmin Connect, Wahoo Cloud, Strava, and Hammerhead as soon as your ride finishes.
Multi-Device Workout Push
Design targeted interval workouts and dispatch them in 1-click to Garmin Edge, Wahoo ELEMNT, Hammerhead Karoo, or Zwift (.zwo).
Join the ChainLink Private Beta
Be the first to access ChainLink when beta invites roll out. Free forever for Threshold Cycling community members.