🧰 Free Running Tools
Runner's Toolkit
Free calculators and tools to help you train smarter, pace better and race with confidence.
Home Runner's Toolkit
🧰 Free Tools
Running Calculators
All tools are free to use — no signup required. More tools added regularly.
Race Pace Calculator
Find your target pace per mile and per km
HOURS
MINS
SECS
Pace Per Kilometre
— per mile
Per Mile
5K Split
10K Split
Halfway
30K Split
Finish
🏅
Finish Time Predictor
Predict your marathon time from a shorter race
HOURS
MINS
SECS
Predicted Finish Time
— per km
Target Pace /km
Target Pace /mile
Training ZoneTarget Pace
Easy / Long Run
Marathon Pace
Tempo / Threshold
🔥
Calories Burned Calculator
Estimate calories burned during your run
Estimated Calories Burned
— kcal per km
Duration
Per Mile
MET Value
📈
Training Load Calculator
Build mileage safely with the 10% rule
Weeks to Reach Target
safe, progressive build
WeekWeekly KMWeekly Miles
🎟
Race Entry Tracker Coming Soon
Track how much you've spent on race entries

Add your race entries, fees and dates to see your total annual race spend — and discover how much you could save by entering early.

🏃
Parkrun Progress Tracker Coming Soon
Visualise your parkrun improvement over time

Enter your parkrun times and see your progress as a chart. Identify your best conditions, best courses and how your fitness has developed.

👟 Find the Right Shoe
Not Sure Which Shoe to Race In?
Our shoe finder matches you with the perfect shoe for your terrain, budget and running style from 155+ options.
Try the Shoe Finder →