Tensor Fasciae Latae Injury
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Your clean starting line
Running calculators, training articles, and book guides to run better.
RunCalcs is a distraction‑free hub for running calculators, training articles, and curated books so you can plan workouts, dial in pacing, and keep improving.
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Fresh tools and reading we just shipped.
Run/Walk Calculator
Build beginner-friendly intervals for Couch to 5K-style progress.
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Quick, evidence‑informed reads you can act on today.
Getting Started
Build consistency while staying injury‑free.
Training & Performance
Structure your weeks and nail the right paces.
Injury & Recovery
Smarter rest, stronger returns.
Recommended Books
Trusted titles to deepen your understanding.
Training Theory
Popular Calculators
Get precise paces and realistic targets.
Run/Walk Calculator
Plan beginner-friendly intervals and estimate total time.
Open run/walk calculator IntervalsTraining sessions
Open a workout, view the breakdown, and print the details.
How to use RunCalcs running calculators
Follow these steps to turn your running data into actionable training plans and realistic race goals.
- Pick the right tool: Start with the pace calculator or race predictor depending on whether you have a goal time or recent result.
- Dial in training zones: Use the heart-rate zones or VO₂ / VDOT tools to map intensity ranges for easy, tempo, and interval workouts.
- Plan the week: Combine your paces with the splits planner and recovery guide to balance stress and rest across your schedule.
Bookmark this page so you can quickly compare calculators and revisit fresh training articles as your season evolves.
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Frequently asked questions
What makes RunCalcs different from other running sites?
RunCalcs keeps the focus on evidence-based advice and accurate running calculators. Instead of overwhelming you with ads or pop-ups, the site highlights the most useful tools and reading so you can take action quickly.
Are the calculators suitable for new and experienced runners?
Yes. Each calculator includes guidance, examples, and pacing tables so beginners understand the results while experienced runners can move straight to the numbers they need for training and race planning.
How often are the training articles and book picks updated?
The editorial team reviews new science and proven coaching practices regularly. When better research or recommendations become available, the collections are refreshed to keep the advice current.