Calvin Marsh

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded1.57176 of 25153Fall 2024
Keelboat0.92unranked (fewer than 10 races or not active)1Fall 2026

Team Race Rating

Rating Rank vs fleet rating Record
1.60 (fleet 2.24) 268 of 331 −0.02 ± 0.18
about what the fleet rating predicts
as skipper 4–50 (7%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202610–9—
Spring 202544–41—
1.31.41.51.61.71.8Spring 2025Spring 2026Graham Hall Team Race (2025-03-15): rating 1.44, fleet rating alone 1.45, offset -0.01; record 0-6 in this boatGraham Hall Team Race (2025-03-15): rating 1.44, fleet rating alone 1.45, offset -0.01; record 0-9 in this boatKP Open Team Race (2025-03-22): rating 1.46, fleet rating alone 1.47, offset -0.02; record 0-12 in this boatPirate Team Racing (2025-03-29): rating 1.43, fleet rating alone 1.47, offset -0.04; record 3-9 in this boatKP Open Team Race (2026-03-21): rating 1.71, fleet rating alone 1.73, offset -0.02; record 0-2 in this boatKP Open Team Race (2026-03-21): rating 1.71, fleet rating alone 1.73, offset -0.02; record 0-7 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 5 graded regattas (54 matches) the record is 4–50 against 5.2 wins the pre-event forecasts expected (−1.2). 0 regattas clearly above the rating (P ≤ 20%), 4 clearly below (P ≥ 80%); 2 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-03-21KP Open Team Raceskipper2.06-0.940–90.2≤−3.000.3>99%
2025-03-29Pirate Team Racingskipper1.771.893–92.8+0.120.058%
2025-03-22KP Open Team Raceskipper1.75-1.250–120.6≤−3.000.8>99%
2025-03-15Graham Hall Team Raceskipper1.53-1.470–150.1≤−3.000.1>99%
2025-03-01Tom Noble Team Raceskipper1.420.151–51.5−1.270.497%

Regatta results

Regatta Role Div Races Avg Rating
Fall 2026 Team page Season
Open Atlantic Coast Championships Round 1B Skipper B 2 17.5 -0.62
Jack Boehringer '52 Open Invite Skipper A 1 7.0 —
Intrepid Trophy - MAISA Match Race Championship Keelboat Skipper A 1 3.0 —
David Lee Arnoff Skipper A 14 10.4 0.40
Charleston Fall Interconference Skipper A 8 11.6 1.45
Spring 2026 Team page Season
Owen Trophy Skipper A 7 5.6 2.39
KP Open Team Race Skipper TR 9 0% —
The Grant Skipper A 12 4.2 2.87
America Trophy Skipper A 14 12.4 2.33
Admiral's Cup Skipper A 8 8.4 2.49
Fall 2025 Team page Season
War Memorial Skipper B 8 13.5 1.46
Open Atlantic Coast Tournament Finals Skipper B 14 15.3 1.11
Open Atlantic Coast Championship Round 1A Skipper B 4 15.0 1.85
MAISA Top 9 Open Skipper B 14 13.1 0.77
KP Open Invite Skipper A 8 11.5 1.16
Jack Boehringer '52 Open Invite Skipper A 11 11.1 -0.23
David Lee Arnoff Trophy Skipper B 11 4.8 1.25
Charleston Fall Interconference Skipper B 12 7.4 2.02
Spring 2025 Team page Season
Tom Noble Team Race Skipper TR 7 29% —
Pirate Team Racing Skipper TR 12 25% —
Oberg Trophy Skipper B 6 9.3 2.29
KP Open Team Race Skipper TR 12 0% —
Graham Hall Team Race Skipper TR 15 0% —
America Trophy Skipper B 12 10.4 2.70
Admiral’s Cup Skipper B 12 9.0 2.65
2025 Azalea Bowl Regatta Skipper B 7 2.9 3.48
Fall 2024 Team page Season
War Memorial Skipper B 4 12.2 1.87
Stony Brook Fall Open Skipper A 6 2.3 3.05
Oberg Trophy Skipper C 8 12.5 1.52
Nevins Trophy Skipper B 12 13.4 1.82
Laser North Singlehanded Skipper A 14 9.4 1.34
Jesuit Invite Skipper B 2 10.5 —
Jack Boehringer '52 Open Invite Skipper C 8 15.8 —
Carl Van Duyne MAISA Open Singles Singlehanded Skipper A 14 12.0 1.88

Linked Profiles

League Name School Year
ISSA Calvin Marsh Park City High SchoolPark City 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 →