Harrison Thomson

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded2.52unranked (fewer than 10 races or not active)25Fall 2021

Team Race Rating

Rating Rank vs fleet rating Record
2.27 (fleet 3.69) unranked (fewer than 30 matches as skipper, or not active) −0.01 ± 0.17
about what the fleet rating predicts
as skipper 100–55 (65%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2022217–7—
Fall 2021438–13—
Spring 2021210–14—
Fall 2019311–7—
Spring 201938–3—
Fall 201818–5—
Spring 201818–6—
1.251.51.7522.25Fall 2018Spring 2019Fall 2019Spring 2021Fall 2021Spring 2022VISA NCS Team Race Regatta (2018-10-13): rating 1.35, fleet rating alone 1.35, offset -0.00; record 8-5 in this boatVISA NCS Team Race Championship (2019-04-06): rating 1.60, fleet rating alone 1.62, offset -0.01; record 6-3 in this boatNSA NA 2X2 Team Race Regatta (2019-05-11): rating 1.63, fleet rating alone 1.63, offset +0.01; record 1-0 in this boatNIT (Founders Trophy) (2019-05-25): rating 1.66, fleet rating alone 1.65, offset +0.01; record 1-0 in this boatVISA Southside Team Race (2019-09-19): rating 1.79, fleet rating alone 1.78, offset +0.00; record 2-1 in this boatVISA NCS Team Race Championship (2019-10-12): rating 1.81, fleet rating alone 1.80, offset +0.01; record 5-3 in this boatMASSA Team Race Championship (2019-11-02): rating 1.85, fleet rating alone 1.83, offset +0.02; record 4-3 in this boatVISA Team Race Championship and Qualifier (2021-04-17): rating 1.98, fleet rating alone 1.96, offset +0.02; record 1-2 in this boatMASSA Baker Team Race Qualifiers (2021-04-24): rating 1.98, fleet rating alone 1.98, offset -0.01; record 9-12 in this boatVISA Norfolk Academy Team Race Regatta (2021-09-25): rating 2.05, fleet rating alone 2.08, offset -0.03; record 8-2 in this boatVISA NA Team Race Regatta 2 (2021-10-09): rating 2.07, fleet rating alone 2.09, offset -0.01; record 8-3 in this boatVISA Team Race Championship and Qualifier (2021-10-23): rating 2.07, fleet rating alone 2.10, offset -0.02; record 9-3 in this boatMASSA Gold Fall Team Championship (2021-11-06): rating 2.09, fleet rating alone 2.12, offset -0.03; record 13-5 in this boatVISA Team Championship (2022-04-23): rating 2.17, fleet rating alone 2.18, offset -0.01; record 9-1 in this boatMASSA 2022 Team Race Championship (2022-04-30): rating 2.19, fleet rating alone 2.18, offset +0.01; record 8-6 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 14 graded regattas (153 matches) the record is 98–55 against 94.7 wins the pre-event forecasts expected (+3.3). 2 regattas clearly above the rating (P ≤ 20%), 5 clearly below (P ≥ 80%); 10 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2022-04-30MASSA 2022 Team Race Championshipskipper2.582.308–68.5−0.280.175%
2022-04-23VISA Team Championshipskipper2.554.719–16.9+2.162.310%
2021-11-06MASSA Gold Fall Team Championshipskipper2.373.6013–510.2+1.241.99%
2021-10-23VISA Team Race Championship and Qualifierskipper2.322.369–38.9+0.040.064%
2021-10-09VISA NA Team Race Regatta 2skipper2.311.468–38.8−0.850.489%
2021-09-25VISA Norfolk Academy Team Race Regattaskipper2.263.318–26.6+1.050.827%
2021-04-24MASSA Baker Team Race Qualifiersskipper2.101.529–1210.7−0.580.687%
2021-04-17VISA Team Race Championship and Qualifierskipper2.16-0.581–22.3−2.742.099%
2019-11-02MASSA Team Race Championshipskipper2.173.204–33.1+1.030.536%
2019-10-12VISA NCS Team Race Championshipskipper2.122.435–34.7+0.310.156%
2019-09-19VISA Southside Team Raceskipper2.062.862–11.6+0.790.253%
2019-04-06VISA NCS Team Race Championshipskipper1.812.986–34.9+1.170.729%
2018-10-13VISA NCS Team Race Regattaskipper1.531.128–58.4−0.410.181%
2018-05-12VISA 2v2 Team Race Regattaskipper1.350.848–69.1−0.520.384%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2022 Team page Season
VISA Team Championship Skipper TR 10 90% —
VISA HRA Fleet Race Regatta Skipper A 7 8.3 0.76
VISA Christchurch Regatta 2 Skipper A 12 4.3 1.71
VISA CCS Fleet Race Regatta 1 Skipper B 8 3.8 2.12
MASSA Fleet Championship and Mallory Qualifier Skipper B 6 3.0 3.32
MASSA 2022 Team Race Championship Skipper TR 14 57% —
Fall 2021 Team page Season
VISA Team Race Championship and Qualifier Skipper TR 12 75% —
VISA Norfolk Academy Team Race Regatta Skipper TR 10 80% —
VISA NA Team Race Regatta 2 Skipper TR 11 73% —
VISA Kecoughtan/Phoebus Fleet Regatta Skipper A 6 6.8 1.90
VISA Christchurch Fleet Regatta Skipper A 3 2.3 3.99
MASSA Gold Fall Team Championship Skipper TR 18 72% —
MASSA Fleet Racing Championships Skipper B 9 3.3 2.09
MASSA Cressy Qualifier FULL-Rig Singlehanded Skipper A 10 5.2 1.66
ISSA Cressy Singlehanded Nationals ILCA 7 Singlehanded Skipper A 15 11.7 -0.18
Atlantic Coast Championship Skipper B 6 5.5 1.52
Spring 2021 Team page Season
VISA York/Grafton Fleet Regatta Skipper A 6 2.0 1.55
VISA Team Race Championship and Qualifier Skipper TR 6 50% —
VISA Kecoughtan Fleet Regatta Skipper B 8 2.8 2.57
VISA Fleet Qualifier Skipper B 4 4.0 2.54
VISA Fleet Championship Skipper B 4 1.5 4.34
VISA Nansemond Suffolk Academy Fleet Race Regatta Skipper B 6 3.5 1.86
MASSA Baker Team Race Qualifiers Skipper TR 24 50% —
MASSA 2021 Mallory Fleet Qualifier Championship Skipper B 10 7.3 1.08
2021 ISSA Mallory Fleet Race National Championship Skipper A 2 8.5 1.22
Spring 2020 Team page Season
VISA Maury/Granby Regatta Skipper A 4 3.5 1.98
Fall 2019 Team page Season
VISA Poquoson Fleet Race Team 1 Skipper B 3 7.0 0.48
VISA TCIS Championship Skipper A 8 4.9 1.96
VISA Southside Team Race Skipper TR 4 75% —
VISA NCS Team Race Championship Skipper TR 8 62% —
ViSA Maury/Granby Regatta Skipper B 5 2.2 3.14
VISA HCS Fleet Race Regatta Skipper B 3 2.0 2.78
VISA Fleet Championship Skipper B 4 4.5 2.00
VISA CCS Leukemia Cup Regatta Skipper B 6 1.8 3.52
MASSA Team Race Championship Skipper TR 16 62% —
MASSA Fall Gold Fleet Championship Skipper B 12 5.2 1.74
2019 Atlantic Coast Championship Skipper B 16 10.1 0.67
Spring 2019 Team page Season
VISA York Fleet Race Regatta Skipper B 7 3.0 1.89
VISA NCS Team Race Championship Skipper TR 9 67% —
VISA Mathews Grafton Tabb Fleet Race Regatta Skipper B 7 2.1 2.31
VISA CCS Fleet Race Regatta Skipper B 12 8.0 -0.47
VISA 2019 Spring Fleet Racing Championship Skipper A, B 6 4.0 0.63
NSA NA 2X2 Team Race Regatta Skipper TR 4 100% —
NIT (Founders Trophy) Skipper TR 9 89% —
MASSA 2019 Spring Gold Fleet Championship Skipper A 2 11.5 0.20
Fall 2018 Team page Season
VISA TCIS Championship Skipper A 2 3.0 2.16
VISA NCS Team Race Regatta Skipper TR 13 62% —
VISA NA/Cox Fleet Regatta Skipper B 1 1.0 —
VISA HCS/PC Regatta Skipper A 7 6.3 1.03
VISA Fleet Race Championship Skipper A 3 6.7 1.73
VISA CCS Leukemia Cup Regatta Skipper B 3 2.7 2.65
2018 Atlantic Coast Championship Skipper B 2 18.0 -1.57
Spring 2018 Team page Season
VISA York Fleet Race Regatta Skipper B 4 10.5 0.10
VISA Poquoson Distance Regatta Skipper A 4 1.8 2.94
VISA NSA/Cox Fleet Race Regatta Skipper B 2 6.5 0.91
VISA NCS Fleet Race Regatta Skipper B 3 3.3 1.94
Visa Fleet Championship Regatta Skipper B 7 9.4 -0.65
VISA CCS Fleet Race Regatta Crew A, B 2 7.5 —
VISA 2v2 Team Race Regatta Skipper TR 14 57% —
Fall 2017 Team page Season
VISA York County Fleet Race Regatta Skipper B 7 11.4 0.50
VISA TCIS 2017 Fleet Race Championship Skipper A 2 8.5 0.50
VISA NA Fleet Race Regatta Skipper B 6 11.2 0.52
VISA Maury Fleet Race Regatta Skipper B 4 7.5 1.28
VISA CCS Team 2 Fleet Race Regatta Skipper A 5 4.6 -1.43
Christchurch School Invitational Regatta Skipper A 8 9.2 0.11
Fall 2016 Team page Season
VISA York Grafton JV Regatta Skipper A 2 5.0 0.44
VISA Poquoson JV Fleet Race Regatta Skipper A 3 5.0 0.88
VISA NA Fleet Race Regatta JV Skipper A 4 3.8 0.59
VISA Maury Fleet Race JV Regatta Skipper A 2 3.5 1.37
VISA JV Fleet Championship Skipper A 8 7.0 0.60
Fall 2015 Team page Season
VISA NSA York JV Fleet Race Regatta Skipper A 3 2.0 2.45
VISA JV Fleet Championship Crew A 4 10.2 —
Maury Smithfield JV Regatta Skipper A 2 7.0 -0.12

Linked Profiles

League Name School Year
ICSA Harrison Thomson College of CharlestonCollege of Charleston '26
ISSA Harrison Thomson Norfolk AcademyNorfolk Academy '22

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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