James Brock

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Keelboat1.74unranked (fewer than 10 races or not active)31Fall 2024

Team Race Rating

Rating Rank vs fleet rating Record
3.03 (fleet 4.23) 41 of 328 −0.03 ± 0.16
about what the fleet rating predicts
as skipper 85–23 (79%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2026947–13—
Spring 2025538–10—
2.7533.25Spring 2025Spring 2026Southern NE Team Race (2025-03-15): rating 2.71, fleet rating alone 2.67, offset +0.04; record 0-5 in this boatBU Team Race (2025-03-22): rating 2.70, fleet rating alone 2.70, offset -0.00; record 8-0 in this boatJumbo Team Race (2025-03-29): rating 2.72, fleet rating alone 2.70, offset +0.03; record 17-3 in this boatMystic Lake Team Race (2025-04-05): rating 2.76, fleet rating alone 2.71, offset +0.05; record 1-0 in this boatMystic Lake Team Race (2025-04-05): rating 2.76, fleet rating alone 2.71, offset +0.05; record 5-2 in this boatLiam O'Keefe '26 Trophy Team Race (2026-02-28): rating 3.17, fleet rating alone 3.13, offset +0.04; record 2-0 in this boatMcMerrick Team Race Sunday (2026-03-01): rating 3.18, fleet rating alone 3.14, offset +0.04; record 5-1 in this boatThe Wood Trophy (2026-03-07): rating 3.19, fleet rating alone 3.14, offset +0.05; record 7-0 in this boatGraham Hall Team Race (2026-03-14): rating 3.15, fleet rating alone 3.10, offset +0.05; record 5-1 in this boatThe Friis Trophy (2026-03-21): rating 3.14, fleet rating alone 3.10, offset +0.04; record 2-0 in this boatJumbo Team Race (2026-03-28): rating 3.09, fleet rating alone 3.05, offset +0.04; record 13-9 in this boatNEISA Open Team Race Championship/Fowle Trophy (2026-04-04): rating 3.04, fleet rating alone 3.05, offset -0.02; record 6-0 in this boatThompson Trophy (2026-04-11): rating 3.06, fleet rating alone 3.07, offset -0.00; record 6-1 in this boatICSA Open Team Race National Championship (2026-04-23): rating 3.04, fleet rating alone 3.06, offset -0.01; record 1-1 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 11 graded regattas (102 matches) the record is 80–22 against 81.5 wins the pre-event forecasts expected (−1.5). 1 regatta clearly above the rating (P ≤ 20%), 5 clearly below (P ≥ 80%); 14 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-04-11Thompson Trophyskipper3.623.296–16.2−0.330.183%
2026-04-04NEISA Open Team Race Championship/Fowle Trophyskipper3.596.596–05.5≥+3.000.857%
2026-03-28Jumbo Team Raceskipper3.702.3713–916.3−1.343.299%
2026-03-14Graham Hall Team Raceskipper3.692.485–15.6−1.210.696%
2026-03-07The Wood Trophyskipper3.676.677–06.4≥+3.000.855%
2026-03-01McMerrick Team Race Sundayskipper3.643.975–14.8+0.330.067%
2025-04-05Mystic Lake Team Raceskipper3.272.926–26.3−0.350.182%
2025-03-29Jumbo Team Raceskipper3.183.5517–316.0+0.370.241%
2025-03-22BU Team Raceskipper3.136.138–06.8≥+3.002.022%
2025-03-15Southern NE Team Raceskipper3.170.170–51.9≤−3.003.3>99%
2025-03-08Camel Team Raceskipper3.066.067–05.5≥+3.002.417%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2026 Team page Season
The Wood Trophy Skipper TR 21 81% —
Thompson Trophy Skipper TR 15 67% —
Open Western National Semis Skipper B 1 3.0 —
NEISA Open Team Race Championship/Fowle Trophy Skipper TR 21 71% —
NEISA Open FR Champs - Coast Guard Alumni Bowl Skipper B 2 9.5 3.22
McMerrick Team Race Sunday Skipper TR 7 86% —
Liam O'Keefe '26 Trophy Team Race Skipper TR 7 71% —
Jumbo Team Race Skipper TR 22 59% —
ICSA Open Team Race National Championship Skipper TR 22 54% —
Graham Hall Team Race Skipper TR 20 75% —
The Friis Trophy Skipper TR 16 44% —
Fall 2025 Team page Season
Open Atlantic Coast Championship Finals Skipper B 6 8.0 4.36
Mystic Lake Invite Skipper A 4 5.0 4.57
The Hood Trophy Skipper A 4 3.5 4.59
Harry Anderson Trophy Skipper B 3 4.3 4.70
Danmark Trophy Skipper B 11 5.0 4.95
84th Professor Erwin Schell Trophy Skipper B 2 4.5 4.87
The 34th Captain Hurst Bowl Skipper B 7 3.3 4.79
Spring 2025 Team page Season
Southern NE Team Race Skipper TR 12 17% —
Oberg Trophy Skipper B 6 2.2 5.10
Mystic Lake Team Race Skipper TR 8 75% —
Jumbo Team Race Skipper TR 20 85% —
Camel Team Race Skipper TR 8 88% —
BU Team Race Skipper TR 10 100% —
87th Boston Dinghy Club Challenge Cup Skipper B 9 6.1 2.84
Fall 2024 Team page Season
Richard Ross at Courageous Keelboat Skipper A 5 2.6 2.42
Nickerson Trophy Skipper B 6 3.0 4.22
Mt. Hope Bay Invite Skipper A 6 4.8 3.23
The George Warren Smith Trophy 24 Skipper A 10 5.2 4.01
Donaghy Bowl Skipper A 2 1.0 —

Linked Profiles

League Name School Year
ISSA James Brock Lake Travis High SchoolLake Travis High School '24

From the notes

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

All notes →