Norwegian Singles
Structured sub-threshold interval workouts based on the Norwegian Singles Method
Structured sub-threshold interval workouts based on the Norwegian Singles Method
Norwegian Singles generates interval workouts calibrated to your current fitness. Enter a recent race result, and the app calculates your VDOT using Jack Daniels' formula to determine precise sub-threshold training paces.
The Norwegian Singles Method adapts the elite Norwegian double-threshold model into three structured session types, each targeting the sub-threshold lactate zone (2.5–3.5 mmol/L) for maximum aerobic development with manageable recovery.
Short, medium, and long intervals—all at paces matched to the interval duration
Build your own intervals with specific distances or durations
Send structured workouts to your watch with pace alerts for each interval
No ads, no account required, no data collection. Everything stays on your device.
Norwegian Singles is developed by Sean Grapevine.
Email: sean@norwegiansingles.app
GitHub: Report an issue