Owen Hennessey

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded3.54unranked (fewer than 10 races or not active)25Fall 2019

Team Race Rating

Rating Rank vs fleet rating Record
3.33 (fleet 4.49) unranked (fewer than 30 matches as skipper, or not active) +0.08 ± 0.14
about what the fleet rating predicts
as skipper 185–123 (60%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2025651–29—
Spring 2024650–32—
Spring 2023645–28—
Spring 2022539–34—
2.7533.25Spring 2022Spring 2023Spring 2024Spring 2025St. Mary's Team Race InterConference (2022-03-12): rating 2.77, fleet rating alone 2.79, offset -0.02; record 4-6 in this boatAdmiral Moore Team Race (2022-03-26): rating 2.77, fleet rating alone 2.79, offset -0.01; record 4-0 in this boatAdmiral Moore Team Race (2022-03-26): rating 2.77, fleet rating alone 2.79, offset -0.01; record 9-4 in this boatProsser Trophy MAISA Team Race Championship (2022-04-09): rating 2.70, fleet rating alone 2.68, offset +0.02; record 12-7 in this boatCollege Sailing Team Race National Championship (2022-05-16): rating 2.79, fleet rating alone 2.74, offset +0.05; record 3-12 in this boatGW Team Race (2023-03-04): rating 2.94, fleet rating alone 2.90, offset +0.03; record 2-0 in this boatGW Team Race (2023-03-04): rating 2.94, fleet rating alone 2.90, offset +0.03; record 2-1 in this boatGraham Hall Team Race (2023-03-11): rating 2.97, fleet rating alone 2.94, offset +0.03; record 1-0 in this boatGraham Hall Team Race (2023-03-11): rating 2.97, fleet rating alone 2.94, offset +0.03; record 1-5 in this boatGraham Hall Team Race (2023-03-11): rating 2.97, fleet rating alone 2.94, offset +0.03; record 5-1 in this boatSt. Mary's Team Race Inter-Conference (2023-03-18): rating 2.95, fleet rating alone 2.93, offset +0.02; record 0-1 in this boatSt. Mary's Team Race Inter-Conference (2023-03-18): rating 2.95, fleet rating alone 2.93, offset +0.02; record 3-4 in this boatAaron Szambecki Team Race (2023-03-25): rating 2.93, fleet rating alone 2.92, offset +0.02; record 1-1 in this boatAaron Szambecki Team Race (2023-03-25): rating 2.93, fleet rating alone 2.92, offset +0.02; record 11-2 in this boatProsser Trophy - MAISA Open Team Race Championship (2023-04-08): rating 2.92, fleet rating alone 2.88, offset +0.04; record 6-2 in this boatCollege Sailing Team Race National Championship (2023-05-27): rating 2.94, fleet rating alone 2.90, offset +0.04; record 13-11 in this boatDC Team Race / GTN (2024-03-02): rating 3.04, fleet rating alone 2.99, offset +0.05; record 4-4 in this boatSt. Mary's Team Race Inter-Conference (2024-03-09): rating 3.03, fleet rating alone 3.00, offset +0.03; record 11-10 in this boatGraham Hall Team Race (2024-03-16): rating 3.03, fleet rating alone 3.01, offset +0.02; record 11-4 in this boatAdmiral Moore Open Team Race (2024-03-23): rating 3.08, fleet rating alone 3.03, offset +0.05; record 9-0 in this boatMAISA Open Team Race/Prosser Trophy (2024-04-06): rating 3.12, fleet rating alone 3.04, offset +0.08; record 11-3 in this boatICSA Open Team Racing National Championship (2024-04-25): rating 3.06, fleet rating alone 2.96, offset +0.10; record 4-11 in this boatGeorgetown Team Race (2025-03-01): rating 3.14, fleet rating alone 3.07, offset +0.07; record 6-1 in this boatSt. Mary's College of MD Team Race (2025-03-08): rating 3.17, fleet rating alone 3.09, offset +0.09; record 0-3 in this boatSt. Mary's College of MD Team Race (2025-03-08): rating 3.17, fleet rating alone 3.09, offset +0.09; record 2-4 in this boatSt. Mary's College of MD Team Race (2025-03-08): rating 3.17, fleet rating alone 3.09, offset +0.09; record 5-5 in this boatGraham Hall Team Race (2025-03-15): rating 3.18, fleet rating alone 3.12, offset +0.06; record 3-2 in this boatGraham Hall Team Race (2025-03-15): rating 3.18, fleet rating alone 3.12, offset +0.06; record 8-2 in this boatKP Open Team Race (2025-03-22): rating 3.24, fleet rating alone 3.17, offset +0.07; record 4-0 in this boatKP Open Team Race (2025-03-22): rating 3.24, fleet rating alone 3.17, offset +0.07; record 12-1 in this boatProsser Trophy - MAISA Team Race Championship (2025-04-05): rating 3.27, fleet rating alone 3.17, offset +0.10; record 5-2 in this boatICSA Open Team Race National Championship (2025-04-24): rating 3.33, fleet rating alone 3.23, offset +0.10; record 1-0 in this boatICSA Open Team Race National Championship (2025-04-24): rating 3.33, fleet rating alone 3.23, offset +0.10; record 2-7 in this boatICSA Open Team Race National Championship (2025-04-24): rating 3.33, fleet rating alone 3.23, offset +0.10; record 3-2 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 23 graded regattas (308 matches) the record is 185–123 against 170.6 wins the pre-event forecasts expected (+14.4). 9 regattas clearly above the rating (P ≤ 20%), 8 clearly below (P ≥ 80%); 28 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2025-04-24ICSA Open Team Race National Championshipskipper3.973.496–97.4−0.480.587%
2025-04-05Prosser Trophy - MAISA Team Race Championshipskipper3.884.025–24.8+0.140.064%
2025-03-22KP Open Team Raceskipper3.675.2116–113.4+1.542.49%
2025-03-15Graham Hall Team Raceskipper3.744.3411–49.7+0.600.630%
2025-03-08St. Mary's College of MD Team Raceskipper3.702.667–1210.4−1.052.598%
2025-03-01Georgetown Team Raceskipper3.685.546–14.5+1.862.012%
2024-04-25ICSA Open Team Racing National Championshipskipper3.673.054–115.5−0.620.689%
2024-04-06MAISA Open Team Race/Prosser Trophyskipper3.794.8411–38.4+1.051.910%
2024-03-23Admiral Moore Open Team Raceskipper3.606.619–06.3≥+3.004.73%
2024-03-16Graham Hall Team Raceskipper3.495.2011–46.8+1.715.01%
2024-03-09St. Mary's Team Race Inter-Conferenceskipper3.493.2511–1011.8−0.240.177%
2024-03-02DC Team Race / GTNskipper3.532.894–44.9−0.640.489%
2023-05-27College Sailing Team Race National Championshipskipper3.524.0913–1110.2+0.581.215%
2023-04-08Prosser Trophy - MAISA Open Team Race Championshipskipper3.463.866–25.4+0.400.249%
2023-03-25Aaron Szambecki Team Raceskipper3.424.3612–39.5+0.951.612%
2023-03-18St. Mary's Team Race Inter-Conferenceskipper3.403.043–53.6−0.360.280%
2023-03-11Graham Hall Team Raceskipper3.482.847–68.6−0.640.791%
2023-03-04GW Team Raceskipper3.453.064–14.2−0.390.185%
2022-05-16College Sailing Team Race National Championshipskipper3.333.103–123.5−0.230.174%
2022-04-09Prosser Trophy MAISA Team Race Championshipskipper3.173.9712–78.7+0.801.99%
2022-03-26Admiral Moore Team Raceskipper3.173.9413–410.7+0.761.216%
2022-03-12St. Mary's Team Race InterConferenceskipper3.263.134–64.2−0.130.070%
2022-03-05GW Team Raceskipper3.222.797–57.9−0.430.384%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2025 Team page Season
St. Mary's College of MD Team Race Skipper TR 19 37% —
Prosser Trophy - MAISA Team Race Championship Skipper TR 7 71% —
Open Fleet Race National Championships Skipper A 7 10.0 4.20
Open Eastern Semi Finals Skipper A 10 6.7 4.67
KP Open Team Race Skipper TR 17 94% —
ICSA Open Team Race National Championship Skipper TR 15 40% —
Graham Hall Team Race Skipper TR 15 73% —
Georgetown Team Race Skipper TR 6 83% —
America Trophy Skipper A 12 4.0 4.87
Fall 2024 Team page Season
War Memorial Skipper A 18 2.8 5.44
Rose Bowl Regatta 2025 - COLLEGE Skipper A 6 3.7 4.74
Open Atlantic Coast Championship Round 1B Skipper A 13 7.1 4.50
Open Atlantic Coast Championship Final Skipper A 7 13.0 3.60
MAISA Top 9 Open Skipper A 16 8.0 3.04
Danmark Trophy Skipper A 8 8.2 4.76
Chesapeake Invitational Skipper A 14 7.2 2.72
Spring 2024 Team page Season
Western Open National Semi-Finals Skipper A 17 9.2 3.95
St. Mary's Team Race Inter-Conference Skipper TR 21 52% —
MAISA Open Team Race/Prosser Trophy Skipper TR 14 79% —
Open Dinghy National Championship Skipper A 18 10.9 4.12
ICSA Open Team Racing National Championship Skipper TR 15 27% —
Graham Hall Team Race Skipper TR 15 73% —
DC Team Race / GTN Skipper TR 8 50% —
America Trophy - Conference Championship Skipper A 15 4.5 4.86
Admiral Moore Open Team Race Skipper TR 9 100% —
Fall 2023 Team page Season
WAR MEMORIAL Skipper A 12 5.2 4.49
Open Atlantic Coast Championships Round 1A Skipper A 14 8.0 4.37
Nevins Trophy Skipper A 10 4.5 5.07
Danmark Trophy Skipper A 13 8.2 4.57
Chesapeake Invitational Skipper A 5 6.0 0.82
Atlantic Coast Tournament Skipper A 14 3.9 5.04
Spring 2023 Team page Season
St. Mary's Team Race Inter-Conference Skipper TR 7 29% —
College Sailing Team Race National Championship Skipper TR 22 50% —
College Sailing Open Eastern Semifinal Skipper B 12 4.8 4.98
College Sailing Dinghy National Championship Skipper B 9 13.0 3.25
Prosser Trophy - MAISA Open Team Race Championship Skipper TR 7 71% —
GW Team Race Skipper TR 5 80% —
Graham Hall Team Race Skipper TR 12 58% —
America Trophy Skipper B 12 5.0 4.24
Admirals Cup Skipper B 10 7.9 4.13
Aaron Szambecki Team Race Skipper TR 14 79% —
Fall 2022 Team page Season
War Memorial Skipper B 6 4.0 4.68
Oyster Bowl Skipper B 9 4.8 3.68
Open Atlantic Coast Championships, Final Skipper B 14 8.5 4.42
Danmark Trophy Skipper A 14 8.2 4.47
Chesapeake Invitational Skipper A 13 6.0 3.11
Open Atlantic Coast Dinghy Championships Round 1B Skipper B 16 5.1 4.91
Spring 2022 Team page Season
St. Mary's Team Race InterConference Skipper TR 8 38% —
College Sailing Team Race National Championship Skipper TR 15 20% —
College Sailing Open Eastern Semifinal Skipper A 12 7.8 4.27
College Sailing Dinghy National Championship Skipper A 16 14.2 3.02
Prosser Trophy MAISA Team Race Championship Skipper TR 19 63% —
GW Team Race Skipper TR 12 58% —
America Trophy - MAISA Open Dinghy Championships Skipper B 13 3.7 4.85
Admirals Cup Skipper B 17 5.9 4.21
Admiral Moore Team Race Skipper TR 16 81% —
Fall 2021 Team page Season
War Memorial Skipper B 12 5.6 4.10
Riley Cup Skipper A 9 3.6 4.23
Danmark Trophy Skipper A 12 11.6 3.67
Coed ACC's Round 1A Skipper B 18 7.8 4.04
Chesapeake Invitational Skipper A 7 7.7 3.37
Atlantic Coast Championship Finals Skipper B 8 10.9 3.54
2022 Rose Bowl Regatta Skipper A 7 7.9 3.39

Linked Profiles

League Name School Year
ISSA Owen Hennessey Severn SchoolSevern School '21

From the notes

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

All notes →