Runalyze is a software for analyzing and visualizing fitness data, especially for runners.
Free with optional premium features
Best Runbundle Alternatives ranked by AI · updated Aug 2026
Runbundle is a collection of free running calculators for pace, race prediction, splits, and training planning. It is suited to runners who want several practical tools rather than one methodology-specific calculator.
Top 6 Runbundle alternatives
Garmin Connect is a health and fitness tracking platform that allows users to track their activities, set fitness goals, and analyze their...
VDOT Running Calculator estimates equivalent race performances and personalized training paces from a recent race result. It is designed for runners and...
Pros
- Uses a well-established performance model for race equivalencies
- Provides distinct easy, marathon, threshold, interval, and repetition paces
- Useful for translating one race result into a structured training intensity plan
Cons
- Less useful for runners who want full workout logging or training analytics
- Results depend heavily on entering a recent, accurate race performance
- Does not offer the broad device integrations of platforms such as Runalyze or TrainingPeaks
TrainingPeaks is a training-planning platform used by endurance athletes and professional coaches. It supports structured workouts, performance analytics, coach-athlete collaboration, and integrations...
Pros
- Much deeper workout analysis and device integration than Pace To Race
- Supports detailed plans created by athletes or purchased from coaches
- Better suited to multi-sport and advanced endurance training
Cons
- Steeper learning curve than Pace To Race
- Premium analytics are expensive for casual runners
- Can feel overly complex for users who only need race-pace guidance
Freemium, Premium from $19.95/mo
5
McMillan Running Calculator
McMillan Running
McMillan Running Calculator predicts equivalent race times and recommends training paces from a known performance. It serves recreational runners, competitive athletes, and...
Pros
- Offers detailed pace ranges across easy, long, tempo, interval, and repetition workouts
- Includes race-equivalency estimates similar to VDOT
- Often gives more explanatory training guidance than basic calculators
Cons
- Pace recommendations can differ noticeably from VDOT for the same result
- The interface is less streamlined than VDOT's calculator
- Some coaching and plan content is separate from the free calculator
6
Running Level
Running Level
Running Level provides race-time predictions, pace calculators, and percentile comparisons based on running distance and performance data. It is designed for runners...
Pros
- Adds performance-level and percentile context that VDOT does not emphasize
- Supports comparisons across common running distances
- Simple calculator experience with no full training-platform commitment
Cons
- Training-pace guidance is less comprehensive than VDOT's workout-zone output
- Population comparisons may be less useful than individualized coaching
- Does not analyze actual workouts from connected devices
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