Living Document Notice
Staged 2026-09-28. Living revisions and interconnected notes live in the Bosun PKM Garden.

Starting Line Playbooks and Time-Distance Calculations

Executing a winning start in competitive sailboat racing requires precise time-distance calculations, transit acceleration profiling, and aggressive line positioning. Tactician structures starting playbooks around rigorous approach timings and transit vectors.

Starting Invariants

  1. Time-Distance Calibration: Pre-start approaches factor boat speed, current drift, and acceleration lag to hit the line at full speed on the gun.
  2. Line Bias and Favor Analysis: Pin-end versus committee-boat bias measurements determine optimal end-favored positioning.
  3. Approaching Hole Management: Establishing lane control and leeward gaps protects vital acceleration real estate during the final minute.

Rigorous starting line playbooks secure first-row clean air and early tactical advantage.


  • Directus Target: tactician-blog
  • Garden Source Reference: MOC - Tactician Racing Engine, MOC - Fleet Operations, TRV-1001 - Offline Spatial Data