Benjamin Dufour

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded4.189 of 25182Fall 2025

Team Race Rating

Rating Rank vs fleet rating Record
3.27 (fleet 4.63) 15 of 328 −0.08 ± 0.13
about what the fleet rating predicts
as skipper 145–111 (57%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2026648–37—
Spring 2025869–48—
Spring 2024521–17—
Spring 202327–9—
2.52.7533.253.5Spring 2023Spring 2024Spring 2025Spring 2026Aaron Szambecki Team Race (2023-03-25): rating 2.54, fleet rating alone 2.59, offset -0.05; record 1-4 in this boatAaron Szambecki Team Race (2023-03-25): rating 2.54, fleet rating alone 2.59, offset -0.05; record 5-2 in this boatGraham Hall Team Race (2024-03-16): rating 2.87, fleet rating alone 2.91, offset -0.04; record 5-5 in this boatAaron Szambecki Team Race (2024-03-23): rating 2.89, fleet rating alone 2.94, offset -0.04; record 1-1 in this boatAaron Szambecki Team Race (2024-03-23): rating 2.89, fleet rating alone 2.94, offset -0.04; record 6-4 in this boatThe 41st Silver Grey Lynne Marchiando Trophy (2024-03-30): rating 2.92, fleet rating alone 2.94, offset -0.01; record 3-3 in this boatSAISA Spring Open Team Race Championships (2024-04-05): rating 2.93, fleet rating alone 2.93, offset -0.00; record 3-0 in this boatICSA Open Team Racing National Championship (2024-04-25): rating 2.92, fleet rating alone 2.94, offset -0.01; record 3-4 in this boatThe Mendelblatt Team Race (2025-03-01): rating 3.08, fleet rating alone 3.11, offset -0.03; record 1-0 in this boatThe Mendelblatt Team Race (2025-03-01): rating 3.08, fleet rating alone 3.11, offset -0.03; record 9-1 in this boatBob Bavier Open Team Race (2025-03-08): rating 3.09, fleet rating alone 3.13, offset -0.04; record 16-5 in this boatGraham Hall Team Race (2025-03-15): rating 3.12, fleet rating alone 3.17, offset -0.05; record 0-1 in this boatGraham Hall Team Race (2025-03-15): rating 3.12, fleet rating alone 3.17, offset -0.05; record 1-0 in this boatGraham Hall Team Race (2025-03-15): rating 3.12, fleet rating alone 3.17, offset -0.05; record 3-0 in this boatGraham Hall Team Race (2025-03-15): rating 3.12, fleet rating alone 3.17, offset -0.05; record 4-2 in this boat64th Jan Friis Team Race (2025-03-22): rating 3.17, fleet rating alone 3.21, offset -0.04; record 3-9 in this boat2025 Marchiando Trophy-Grey Regatta (2025-03-29): rating 3.13, fleet rating alone 3.20, offset -0.08; record 0-3 in this boat2025 Marchiando Trophy-Grey Regatta (2025-03-29): rating 3.13, fleet rating alone 3.20, offset -0.08; record 3-6 in this boatSAISA Open Team Race Champs (2025-04-05): rating 3.12, fleet rating alone 3.21, offset -0.09; record 4-0 in this boatSAISA Open Team Race Champs (2025-04-05): rating 3.12, fleet rating alone 3.21, offset -0.09; record 10-1 in this boatThompson Trophy - CGA (2025-04-12): rating 3.16, fleet rating alone 3.25, offset -0.09; record 1-2 in this boatThompson Trophy - CGA (2025-04-12): rating 3.16, fleet rating alone 3.25, offset -0.09; record 9-9 in this boatICSA Open Team Race National Championship (2025-04-24): rating 3.25, fleet rating alone 3.33, offset -0.08; record 1-1 in this boatICSA Open Team Race National Championship (2025-04-24): rating 3.25, fleet rating alone 3.33, offset -0.08; record 4-8 in this boatNelson Roltsch Team Race (2026-02-28): rating 3.31, fleet rating alone 3.37, offset -0.06; record 6-4 in this boatSt. Mary's Team Race Inter-Conference (2026-03-07): rating 3.34, fleet rating alone 3.38, offset -0.04; record 5-4 in this boatGraham Hall Team Race (2026-03-14): rating 3.28, fleet rating alone 3.35, offset -0.06; record 4-2 in this boatGraham Hall Team Race (2026-03-14): rating 3.28, fleet rating alone 3.35, offset -0.06; record 11-6 in this boatThe Friis Trophy (2026-03-21): rating 3.29, fleet rating alone 3.35, offset -0.06; record 7-9 in this boatThompson Trophy (2026-04-11): rating 3.24, fleet rating alone 3.31, offset -0.07; record 0-1 in this boatThompson Trophy (2026-04-11): rating 3.24, fleet rating alone 3.31, offset -0.07; record 7-4 in this boatICSA Open Team Race National Championship (2026-04-23): rating 3.25, fleet rating alone 3.32, offset -0.08; record 8-7 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 21 graded regattas (256 matches) the record is 145–111 against 154.8 wins the pre-event forecasts expected (−9.8). 0 regattas clearly above the rating (P ≤ 20%), 10 clearly below (P ≥ 80%); 12 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-04-23ICSA Open Team Race National Championshipskipper3.813.708–78.3−0.110.069%
2026-04-11Thompson Trophyskipper3.813.277–58.1−0.530.488%
2026-03-21The Friis Trophyskipper3.852.887–99.4−0.971.697%
2026-03-14Graham Hall Team Raceskipper3.854.3415–813.1+0.490.724%
2026-03-07St. Mary's Team Race Inter-Conferenceskipper3.883.305–45.7−0.580.387%
2026-02-28Nelson Roltsch Team Raceskipper3.824.326–45.3+0.500.242%
2025-04-24ICSA Open Team Race National Championshipskipper3.813.405–96.0−0.400.383%
2025-04-12Thompson Trophy - CGAskipper3.633.8710–119.0+0.240.240%
2025-04-05SAISA Open Team Race Champsskipper3.644.0214–113.6+0.370.159%
2025-03-292025 Marchiando Trophy-Grey Regattaskipper3.532.703–95.1−0.831.295%
2025-03-2264th Jan Friis Team Raceskipper3.651.613–96.2−2.044.1>99%
2025-03-15Graham Hall Team Raceskipper3.603.648–37.9+0.030.065%
2025-03-08Bob Bavier Open Team Raceskipper3.573.2416–517.0−0.330.281%
2025-03-01The Mendelblatt Team Raceskipper3.533.4410–110.1−0.090.077%
2024-04-25ICSA Open Team Racing National Championshipskipper3.453.023–43.7−0.430.283%
2024-04-05SAISA Spring Open Team Race Championshipsskipper3.366.363–03.0≥+3.000.098%
2024-03-30The 41st Silver Grey Lynne Marchiando Trophyskipper3.383.143–33.3−0.240.176%
2024-03-23Aaron Szambecki Team Raceskipper3.233.677–55.8+0.440.433%
2024-03-16Graham Hall Team Raceskipper3.173.125–55.1−0.050.068%
2023-03-25Aaron Szambecki Team Raceskipper2.792.636–66.4−0.160.072%
2023-03-11Bob Bavier Open Team Raceskipper2.640.661–32.6−1.982.399%

Regatta results

Regatta Role Div Races Avg Rating
Fall 2026 Team page Season
Hinman Trophy (U.S. Team Racing Championship) Selected TR — — —
Spring 2026 Team page Season
Thompson Trophy Skipper TR 15 67% —
St. Mary's Team Race Inter-Conference Skipper TR 9 56% —
Open Western National Semis Skipper B 5 6.4 4.37
Open Fleet Race National Championships Skipper B 14 6.3 4.92
Nelson Roltsch Team Race Skipper TR 10 60% —
ICSA Open Team Race National Championship Skipper TR 15 53% —
Graham Hall Team Race Skipper TR 23 65% —
The Friis Trophy Skipper TR 16 44% —
Fall 2025 Team page Season
SAISA Top 9 Invitational Skipper A 10 2.6 4.57
SAISA Open Singlehanded Champs Singlehanded Skipper A 10 2.2 4.22
SAISA Fall Open Fleet Race Championship Skipper B 9 2.4 3.04
Open Atlantic Coast Championship Round 1B Skipper B 8 3.9 5.22
Open Atlantic Coast Championship Finals Skipper B 14 7.3 4.54
Glen S. Foster Trophy Singlehanded Skipper A 6 5.0 4.45
Danmark Trophy Skipper B 10 4.6 4.62
Spring 2025 Team page Season
Thompson Trophy - CGA Skipper TR 21 48% —
SAISA Top 18 Invite Skipper A 8 4.0 4.38
SAISA Spring Open Championship - Tillman Trophy Skipper B 11 1.7 4.23
SAISA Open Team Race Champs Skipper TR 15 93% —
Open Western Semi Finals Skipper B 9 6.0 4.30
Open Fleet Race National Championships Skipper B 7 9.6 4.08
The Mendelblatt Team Race Skipper TR 12 92% —
ICSA Open Team Race National Championship Skipper TR 15 33% —
Graham Hall Team Race Skipper TR 15 67% —
Bob Bavier Open Team Race Skipper TR 21 76% —
64th Jan Friis Team Race Skipper TR 12 25% —
2025 Marchiando Trophy-Grey Regatta Skipper TR 21 29% —
Fall 2024 Team page Season
SAISA Open Singlehanded Champs Singlehanded Skipper A 9 4.2 3.12
SAISA Fall Open Champs, Robert L. Armstrong Trophy Skipper B 15 2.7 4.27
Open Atlantic Coast Championship Round 1A Skipper B 18 6.3 4.46
Open Atlantic Coast Championship Final Skipper B 7 8.6 4.39
Glen S. Foster Trophy Singlehanded Skipper A 13 7.4 3.92
Danmark Trophy Skipper B 8 10.1 4.02
Spring 2024 Team page Season
Western Open National Semi-Finals Skipper B 17 7.9 4.02
SAISA Spring Open Team Race Championships Skipper TR 15 100% —
SAISA Spring Open Championship (Tillman Trophy) Skipper B 14 2.7 4.25
Open Dinghy National Championship Skipper B 18 10.1 4.16
Oberg Trophy Skipper A 14 3.4 4.96
ICSA Open Team Racing National Championship Skipper TR 15 47% —
Graham Hall Team Race Skipper TR 15 53% —
Aaron Szambecki Team Race Skipper TR 16 62% —
The 41st Silver Grey Lynne Marchiando Trophy Skipper TR 18 28% —
Fall 2023 Team page Season
SAISA Top 9 Invite Skipper B 6 3.2 3.51
SAISA Open Singlehanded Championships Singlehanded Skipper A 7 1.1 7.12
SAISA Fall Open Champs (Robert L Armstrong Trophy) Skipper B 11 1.9 4.84
Open Atlantic Coast Championships Round 1A Skipper B 14 7.6 3.90
Glen S. Foster Trophy Singlehanded Skipper A 13 6.5 4.23
Danmark Trophy Skipper B 14 8.2 4.43
Atlantic Coast Open Championship Finals Skipper B 14 7.7 4.66
Spring 2023 Team page Season
College Sailing Open Western Semifinal Skipper B 13 9.2 3.77
Bob Bavier Open Team Race Skipper TR 16 56% —
Admirals Cup Skipper B 10 4.2 5.37
Aaron Szambecki Team Race Skipper TR 12 50% —
Fall 2022 Team page Season
SAISA Open Singlehanded Singlehanded Skipper A 10 2.3 4.58
SAISA Fall Open Championship Skipper A 7 3.6 2.80
Glen S. Foster Trophy Singlehanded Skipper A 14 10.6 3.26
Open Atlantic Coast Championships, Final Skipper B 14 11.9 3.59
Open Atlantic Coast Dinghy Championships Round 1B Skipper B 16 8.7 3.93

From the notes

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

All notes →