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2025-09-17 Wed Nights
Wed Nights · Critical Mass
Course Plot
Time
Maneuver Analysis
Maneuver log
Polar Performance
% of target speed by point of sail
Target curves shown
Race Summary

Wind & Comparable Races

True wind ranged 0.1–12.7 kn (avg 6.6 kn) — a light, patchy night. This is the earliest race in the dataset, so there are no previous races to compare against; the numbers below stand alone as a baseline for future comparisons.

Speed made roughly two-thirds of target upwind (66.8%) and 71.1% downwind, with the reach well behind both at 52.2% — the softest point of sail by a wide margin. Upwind pointing was tight: average TWA of 43.7° was within 1.6° of the 42.1° target, so the upwind shortfall reads as mostly a speed gap rather than a sailing-angle gap — actual VMG (2.61 kn) reached about 73% of the 3.58 kn target VMG at the same wind. Downwind, TWA averaged 150.4° against a 146.0° target, a few degrees deeper than optimal.

Five tacks lost 23.5% of boat speed on average but recovered in just 3.6 s, and two gybes lost only 16.0%. No mark roundings were logged this race, so leg-by-leg gain/loss can't be isolated beyond the point-of-sail splits above. This race predates the site's gun-time anchoring added later in the season, so no start-of-race position or speed data is available. Heel while beating averaged 13.1° with little net side-to-side imbalance (signed average +3.0°), and pitch stayed close to level on all three points of sail — nothing in the trim data points clearly at the reach shortfall. The two clearest strengths this race were tack recovery time and upwind pointing angle; the reach is the most obvious place to find speed next time out.

MetricThis Race (baseline)
TWS avg (range)6.6 kn (0.1–12.7)
Beat % of target66.8%
Reach % of target52.2%
Run % of target71.1%
Tacks (n / avg loss / avg recovery)5 / 23.5% / 3.6s
Gybes (n / avg loss)2 / 16.0%

Coaching Recommendations

  1. Reach mode is the weakest point of sail (52.2% of target, well below beat and run) — dedicate reach-specific speed/trim time separate from beat and run drills.
  2. Downwind TWA ran ~4° deeper than the polar target (150.4° vs 146.0°) — work on holding a flatter downwind angle rather than sailing by the lee.
True Wind Speed