A free way to find your fastest split at every distance across all your runs: 1 km, 1 mile, 5 km, 10 km, half, marathon. Pulled from your existing workout data.
PBSplits is a free app that finds your fastest split at every standard distance across your run history.
Most personal-best tools only know your finish times. If you've never raced a 5K, they think you've never done one. PBSplits looks inside each run and finds the fastest continuous window for every distance on the ladder, so the best 5K you ever ran shows up even if it was the middle 5K of a 12 K training jog.
Three tabs, and it opens on the first. Runs is every run in your Health data — pull to refresh, tap any one to open it, even the ones that never hit a standard distance. Trends plots a distance over time, as pace or as finish time, with a year-over-year view to lay this season against the last. Bests is the record book: the ladder from 400 m to 100 K, grouped Short / Road / Ultra.
Tap any effort and you get the whole run — the route on a map with the record-winning segment highlighted, a mile-by-mile splits table, and pace and elevation charts. Tap a split and its window lights up on the map and across the charts, so you can see exactly where you found the time. Season and all-time crowns mark the efforts that took a podium.
Great for:
• Runners who want PBs from training, not just races
• Tracking progress over a season or a year
• Finding the fastest you've ever covered a 5 K, 10 K, half, or marathon
• Comparing efforts across short, road, and ultra distances
• Anyone whose watch knows more than they do
What you get:
• Best-effort engine that finds your fastest continuous split at every distance, not whole-run averages
• Full distance ladder from 400 m to 100 K, grouped Short / Road / Ultra
• Every run, browsable: pull to refresh, and open runs that never hit a standard distance
• Trend charts, progression and year-over-year, by pace or by time, pinch to zoom either axis
• Mile-by-mile splits: tap a split to highlight its window on the map and the charts
• Map view per effort, with the winning segment highlighted on the route
• Season and all-time crowns on podium efforts
• Share cards for a new PB, a podium, or your whole record book
• Pick your pace units: min/km or min/mi
• PBSplits reads your workouts from Apple Health and never writes to it
• Your run data stays on your device
Free to download — no subscription, no account.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
Small visual polish and bug fixes.
Version 1.5.1
The developer, Cow Cow Technologies LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
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Data Linked to You
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The following data may be collected but it is not linked to your identity:
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The developer indicated that this app supports the following accessibility features. Learn More
Supported Features
Larger Text
Dark Interface
Differentiate Without Color Alone
Reduced Motion
Information
Seller
Cow Cow Technologies LLC
Size
11.5 MB
Category
Health & Fitness
Compatibility
Requires iOS 17.0 or later.
iPhone Requires iOS 17.0 or later.
Languages
English and 10 more
English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese