Splitr Run Calculator

Splitr is a fast, intuitive pace and speed calculator built for runners of every level.

Enter any two values — speed, pace, distance, or time — and Splitr instantly calculates everything else. No buttons to press, no menus to navigate. Just type and go.

FEATURES

• Live calculation — results update as you type
• Speed in mph and km/h
• Pace in min/mile and min/km
• Distance in miles and kilometres
• Time in HH:MM:SS with centisecond precision
• Smart anchor system — enter any two groups, the third derives automatically

DISTANCE SHORTCUTS
Tap 800m, 1500m, 3K, 5K, 10K, Half Marathon, or Marathon to instantly set the distance.

SAVE YOUR FAVORITES
Save any calculation with a custom name. Tap to restore it later. Rename, reorder, share, or delete from the context menu.

SHARE RESULTS
Share a clean text summary of your calculation with training partners.

HOME SCREEN WIDGET
Add a widget showing your most recent saved preset — pace, speed, distance, and time at a glance.

PRIVACY FIRST
No analytics. No ads. No sign-up. No data leaves your device.

Built by Zima Logistics — a small team making apps we actually want to use.