Kieran Mason

Rating History

Crew Rating

Career: 33.12 percentile of ICSA crews (limited evidence)

No season rating yet: needs 8+ crewed races in a season.

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded1.53unranked (fewer than 10 races or not active)8Fall 2024

Team Race Rating

Rating Rank vs fleet rating Record
0.81 (fleet 1.30) 172 of 231 +0.01 ± 0.18
about what the fleet rating predicts
as skipper 10–21 (32%)
SeasonRegattas Skipper W–LCrew W–L
Fall 202511–3—
Spring 202524–7—
Spring 202411–5—
Fall 202314–6—
0.40.50.60.70.80.9Spring 2024Spring 2025Fall 2025VISA Team Race Championship (2024-04-20): rating 0.51, fleet rating alone 0.49, offset +0.03; record 1-5 in this boatVISA Poquoson Team Race Regatta (2025-03-29): rating 0.75, fleet rating alone 0.74, offset +0.01; record 3-2 in this boatVISA Team Race Championship for Patterson Trophy (2025-04-19): rating 0.79, fleet rating alone 0.75, offset +0.03; record 1-5 in this boatVISA NCS Team Regatta II (2025-10-04): rating 0.80, fleet rating alone 0.79, offset +0.02; record 1-3 in this boatTeam race rating

Rating before each regatta driven (solid; dots green when the boat won 60% or more of its matches there, red under 40%) and what the fleet rating alone would give (dashed). The gap is the team race offset as it stood at the time. Hover a dot for the regatta; click to open it.

Team race surprisal: regatta by regatta

Over 5 graded regattas (31 matches) the record is 10–21 against 9.3 wins the pre-event forecasts expected (+0.7). 1 regatta clearly above the rating (P ≤ 20%), 3 clearly below (P ≥ 80%); 4 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2025-10-04VISA NCS Team Regatta IIskipper0.88-0.301–31.7−1.180.492%
2025-04-19VISA Team Race Championship for Patterson Trophyskipper1.10-1.031–51.9−2.131.098%
2025-03-29VISA Poquoson Team Race Regattaskipper1.003.153–22.0+2.141.223%
2024-04-20VISA Team Race Championshipskipper0.56-0.011–51.3−0.570.183%
2023-10-07VISA Team Race Championshipskipper0.511.824–62.5+1.311.119%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2026 Team page Season
VISA Fleet Championship Crew B 5 5.2 —
Spring 2022 Team page Season
VISA HRA Fleet Race Regatta Skipper A 7 13.9 -0.97
VISA Granby Hague Fleet Race Regatta Skipper A 11 14.8 —
VISA Fleet Race Championship Skipper A 9 11.2 -2.10
VISA NSA Fleet Race Regatta Skipper A 8 14.6 -0.97
Fall 2021 Team page Season
VISA York/Grafton Fleet Regatta Skipper A 5 12.6 -0.17
VISA WCA/WA V Fleet Race Regatta Skipper A 7 11.4 -0.56
VISA POQ Team 2/JV Fleet Regatta Skipper A 7 6.6 0.70
VISA Kecoughtan/Phoebus Fleet Regatta Skipper A 6 17.0 -2.08
VISA Fall JV Fleet Championship Skipper A 10 4.0 1.33

Linked Profiles

League Name School Year
ISSA Kieran Mason Kecoughtan High SchoolKecoughtan High School '26

From the notes

Short write-ups of what the ratings and results show, with the numbers and how they were computed.

All notes →

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