# PeakLine

> PeakLine (www.thepeakline.com) — multilingual Strava activity-analysis SaaS for intermediate-to-serious endurance athletes. Proprietary metrics: PeakLine Score (0-1000), Stress Points, FTP estimation without a power meter, GPX teleport fixer, Segment Hunter, AI activity analysis, per-activity weather + air quality.

The blog publishes cited, expert-reviewed endurance training science across 6 market variants (EN, DE, ES-ES, ES-419, RU, SK). Physiological claims carry PMID/DOI citations.

## English (Global) — /blog/en/

- [Power Meters: The Complete Guide to Power-Based Cycling Training](https://www.thepeakline.com/blog/en/power-meters/)
- [Strava how-to: analyze, fix, and get more from your activities](https://www.thepeakline.com/blog/en/strava-howto/)

## Tools

- [PeakLine Score Estimator](https://www.thepeakline.com/tools/peakline-score-estimator/)
- [FTP Calculator](https://www.thepeakline.com/tools/ftp-calculator/)
- [GPX Fixer](https://www.thepeakline.com/tools/gpx-fixer/)
- [GAP Calculator](https://www.thepeakline.com/tools/gap-calculator/)