Now with Strava sync and the all-new Race Manager. Import your PBs and gear, plan race times and fuel, then review every race — all in a fresh, sporty design.
Plan every training session and race day with EnduroCalc — the minimalist, ad-free calculator built for runners, cyclists, swimmers and triathletes.
From your next half marathon to a long-distance triathlon, EnduroCalc helps you hit your target time, dial in your pace and fuel your race with confidence.
NEW: CONNECT WITH STRAVA
Bring your training history straight into EnduroCalc. Import your personal bests and see your equipment usage – bikes, shoes and more – so your plans are based on real data. (The Strava connection is rolling out gradually and may not be available to everyone just yet.)
NEW: RACE MANAGER
Add your upcoming races, plan your target splits and nutrition strategy, then analyze how the day actually went using your Strava data. Your entire season, planned and reviewed in one place.
FLEXIBLE PACE CALCULATORS
- Find the pace you need to hit any target time
- Switch between min/km, min/mi, min/100 m, km/h and mph
TRIATHLON MODE
- Calculate each leg or your full triathlon time
- Built-in templates for sprint, Olympic, 70.3 and full distance
- Add transition times and a target finish
CSS CALCULATOR FOR SWIMMERS
- Find your Critical Swim Speed from two swim times
- Visual training zones from recovery to VO₂max
- Automatic history to track your progress
SMART CARB CALCULATOR
- Get your individual carbohydrate needs for endurance events
- Build a personalized fueling plan, triathlon included
- Pick your products – gels, bottles, bars – and export as PDF
A FRESH, SPORTY DESIGN
We've completely rebuilt the look and feel: cleaner, faster and more focused, with a sport-specific design language made for athletes.
MINIMALIST. CLEAR. AD-FREE.
No ads. No clutter. Just the numbers that matter. Built by endurance athletes, for endurance athletes.
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The biggest EnduroCalc update yet — a whole new look and two major features.
FRESH NEW DESIGN
EnduroCalc has been completely redesigned: sportier, cleaner and faster, with a look built specifically for endurance athletes.
STRAVA CONNECTION (NEW)
Import your data straight from Strava – personal bests and equipment usage like bikes and shoes. (Rolling out gradually; it may not be available to everyone just yet.)
RACE MANAGER (NEW)
Plan your upcoming races from start to finish: target times, splits and nutrition. After the race, connect Strava to analyze how it went and learn for the next one.
Plus countless refinements under the hood. Thanks for training with us — we'd love your feedback and a review!
Version 3.0
The developer, Marco Reinke, 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 Not Linked to You
The following data may be collected but it is not linked to your identity:
Identifiers
Usage Data
Privacy practices may vary, for example, based on the features you use or your age. Learn More
The developer indicated that this app supports the following accessibility features. Learn More
Supported Features
VoiceOver
Voice Control
Larger Text
Dark Interface
Differentiate Without Colour Alone
Sufficient Contrast
Reduced Motion
Information
Seller
Marco Reinke
Size
12.5 MB
Category
Health & Fitness
Compatibility
Requires iOS 17.6 or later.
iPhone Requires iOS 17.6 or later.
iPad Requires iPadOS 17.6 or later.
Mac Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
