Ruby gem for runners: pace, time, and distance calculations, unit conversions (30+ units), race time predictions (Riegel & Cameron), GPS track analysis (Haversine, elevation gain, per-km splits), age grading (WMA 2023), VO2max estimation (Daniels & Gilbert), and personalized training zones (Daniels paces & Karvonen heart-rate zones).

Required Ruby Version

>= 3.3.0

Authors

João Gilberto Saraiva

Versions

  1. 1.12.0 August 01, 2026 (44.5 KB)
  2. 1.11.0 July 25, 2026 (41 KB)
  3. 1.10.0 July 11, 2026 (37.5 KB)
  4. 1.9.10 July 09, 2026 (35.5 KB)
  5. 1.9.9 June 17, 2026 (35.5 KB)
Show all versions (33 total)

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GitHub

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Provenance