EmberRun Calc

EmberRun Calc – Plan, Predict & Improve Your Runs

Whether you’re training for your first 5K or chasing a marathon PR, EmberRun Calc makes it simple to plan your pace, predict finish times, and track progress - all in one clean, ad-free app.

Quick Pace & Distance Calculations (free)
- Instantly calculate pace, time, or distance
- Switch between miles, kilometers, mph, and km/h
- Automatic unit conversions for international races and training
- Share runs directly from the Calculator or Results screen

Save & Backup Results (in-app purchase)
- Save race times, training runs, and predictions
- See how your results stack up with age grading percentages
- Restore on any device and track improvement over time
- iCloud backup keeps your data safe

Accurate Race Time Predictions (in-app purchase)
- Forecast your finish time for any distance
- Powered by Riegel’s formula for reliable results
- Adjust for your own performance history

Custom Themes & Controls (in-app purchase)
- Choose from vibrant themes like Aurora, Daybreak, and Horizon
- Customize race colors to match your plan
- Fine-tune pace, time, and distance increments for faster adjustments

Free core features include pace, time, and distance calculations, as well as unit conversions. Unlock extras with a one-time purchase to save runs, get race predictions, and customize themes.

Plan smarter. Race faster. Run with EmberRun Calc.