Kieran Mason

Rating History

Crew Rating

Career: 32.95 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) 173 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 Norfolk Collegiate Fleet Regatta Skipper B 8 6.8 -1.29
VISA NA Fleet Race Regatta Skipper A 6 10.3 1.54
VISA Maury/Hague Fleet Race Skipper A 5 6.8 0.30
VISA Kecoughtan Fleet Race Regatta Skipper B 7 5.9 1.23
VISA CCS Fleet Regatta Skipper B 7 5.7 1.45
VISA Norfolk Academy Fleet Race Regatta 2 Skipper B 6 13.3 -1.80
MASSA 2026 Fleet Championship & Mallory Qualifier Skipper B 10 11.4 1.32
Fall 2025 Team page Season
VISA POQ Fleet Race Regatta Skipper A 6 8.2 -0.98
VISA NCS Team Regatta II Skipper TR 4 25% —
VISA Maury Fleet Race Regatta Skipper B 6 5.2 2.14
VISA Fleet Championship Skipper B 6 8.2 0.51
VISA Christchurch Fleet Regatta Skipper B 6 8.7 0.89
VISA Norfolk Academy Fleet Race Regatta Skipper A 5 6.8 1.51
MASSA 2025 Fall Fleet Championship Skipper A 8 16.9 -0.68
Spring 2025 Team page Season
VISA Team Race Championship for Patterson Trophy Skipper TR 6 17% —
VISA Poquoson Team Race Regatta Skipper TR 7 0% —
VISA Maury Fleet Regatta Skipper B 6 8.7 -1.76
VISA Kecoughtan Fleet Race Regatta Skipper B 4 10.8 0.46
VISA Hampton City Schools Fleet Race Regatta Skipper A 8 3.9 1.64
VISA Hague Fleet Race Regatta Skipper A 4 3.8 2.39
VISA Fleet Race Championship Skipper B 8 6.0 0.90
VISA CCS Fleet Regatta 1 Skipper A 9 12.6 0.29
Fall 2024 Team page Season
VISA Poquoson Team 2 Fleet Regatta Skipper A 3 3.7 -1.49
VISA Poquoson Fleet Race Regatta Skipper A 4 8.5 0.21
VISA Maury/Granby Fleet Regatta Skipper A 3 10.0 1.59
VISA Fleet Championship Skipper A 7 12.6 -0.27
VISA Cox, Cath, PC Varsity Fleet Regatta Skipper B 6 6.5 1.05
MASSA Cressy Quailifier Boys ILCA 6 Singlehanded Skipper A 8 11.9 -0.03
Spring 2024 Team page Season
VISA York County Fleet Race Regatta Skipper B 6 4.2 1.67
VISA Team Race Championship Skipper TR 6 17% —
VISA Team 2 Fleet Race Skipper A, B 3 8.0 -1.68
VISA Maury Fleet Race Skipper B 8 14.9 -3.48
VISA CCS Fleet Regatta 1 Skipper B 3 8.3 1.66
MASSA Invitational Skipper B 4 11.0 0.15
VISA Kecoughtan High School Fleet Race Regatta Skipper B 6 11.5 -0.07
VISA CCS Fleet Regatta 2 Skipper B 5 8.0 0.81
Fall 2023 Team page Season
VISA Team Race Championship Skipper TR 10 40% —
VISA Kecoughtan Fleet Race Regatta Skipper A 8 13.0 -0.46
VISA Heritage/Bethel Fleet Regatta Skipper A 3 7.3 0.35
VISA Varsity Fleet Champs Skipper A 6 12.5 0.50
VISA Poquoson Fleet Race Regatta Skipper A 6 12.2 -0.05
Spring 2023 Team page Season
VISA Peninsula Catholic Fleet Race Skipper B 10 10.2 -1.17
VISA Kecoughtan Fleet Race Skipper A 6 5.8 0.29
VISA Hampton Roads Academy Fleet Regatta Skipper A 1 10.0 -1.87
VISA Fleet Championship Skipper A 3 7.0 -0.30
VISA Christchurch Fleet Race Regatta Skipper A 6 8.5 -0.29
VISA Christchurch Regatta 3/25 Skipper A 4 11.0 -0.55
VISA HCS/Heritage Fleet Race Skipper A — — —
VISA Hague Fleet Race Regatta Skipper A 4 6.2 0.28
Fall 2022 Team page Season
VISA State Fleet Race Championship Skipper A 9 9.8 0.76
VISA Poquoson Fleet Regatta. Skipper B 7 9.6 0.47
VISA Kecoughtan Fleet Race Regatta Skipper A 5 3.8 1.63
VISA Grafton York Fleet Race Regatta Skipper B 7 5.4 1.03
VISA Catholic Varsity Fleet Regatta Skipper A 7 2.3 0.39

Linked Profiles

League Name School Year
ISSA Kieran Mason Phoebus High SchoolPhoebus 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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