Pace. Power. Nutrition. EnduroCalc is the all-in-one calculator for runners, cyclists, triathletes – train smarter, race stronger.
EnduroCalc – Your smart endurance calculator
Plan your training and race days simply and reliably with EnduroCalc.
Calculate your target time, pace, or energy needs – for running, cycling, swimming, or triathlon.
Whether you’re preparing for a half marathon, a long-distance triathlon, or optimizing your race nutrition – EnduroCalc is your minimalist everyday tool for endurance athletes.
Features
Flexible pace calculators
• Calculate the pace you need for a given target time
• Supports min/km, min/mi, min/100 m, km/h, mph
Triathlon mode
• Calculate times for each segment or the full triathlon
• Includes templates for sprint, Olympic, 70.3, and full distance
• Optional: transition times and target finish time
CSS calculator for swimming
• Determine your individual CSS value based on two swim times
• Visual training zones (from recovery to VO₂max)
• Automatic history tracking for progress
New carbohydrate calculator
• Calculate your individual carb needs for endurance sports
• Generate a personalized nutrition plan (incl. triathlon support)
• Choose your products (gels, bottles, bars) and export as PDF
Minimalist. Clear. Ad-free.
EnduroCalc is designed to help you focus on what matters: your training.
No ads. No clutter. Built by endurance athletes – for endurance athletes.
Ratings & Reviews
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We’re constantly improving EnduroCalc. Thank you for using the app.
First and foremost: We want to develop EnduroCalc in an even more targeted way. To do this, we’ve integrated an optional analytics tool. It is fully anonymized, developed and hosted in Europe, and only gives us access to usage data regarding your activities within the app. Your consent helps us make the app even better. Thank you!
Also in this update:
We’re proud to say: EnduroCalc is taking big steps toward accessibility! The app now supports common accessibility features.
We’ve made many improvements under the hood.
Version 2.1.1
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 Color Alone
Sufficient Contrast
Reduced Motion
Information
Seller
Marco Reinke
Size
10.9 MB
Category
Health & Fitness
Compatibility
Requires iOS 16.6 or later.
iPhone Requires iOS 16.6 or later.
iPad Requires iPadOS 16.6 or later.
Mac Requires macOS 13.5 or later and a Mac with Apple M1 chip or later.