Tools for Athletes
Enhance your running performance with our suite of specialized tools designed for athletes of all levels.

Running Pace Calculator
Calculate your running pace, splits, and finish times for any distance. Perfect for race planning and training.
Use Calculator
Running Time Calculator (Time Math)
Add, subtract, multiply, and divide time values for running performances.
Use Calculator
Reaction Time Test
Test your reaction time with visual and audio cues. Perfect for improving your start line performance.
Use ToolTraining Plan Generator
Create personalized training plans based on your goals and current fitness level.
Race Time Predictor
Predict your race times based on your training data and performance history.
Training Plan Adherence
Track your progress and adherence to your training plan with detailed analytics and insights.
All tools represent the original work of the RunThen development team. Any research, open-source code, or datasets utilized in developing these tools will be credited. If you feel the work of the RunThen team has infringed on your intellectual property, please contact us.