Keller Morrison

Rating History

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Keelboat0.85unranked (fewer than 10 races or not active)36Spring 2025

Team Race Rating

Rating Rank vs fleet rating Record
1.54 (fleet 2.06) unranked (fewer than 30 matches as skipper, or not active) +0.05 ± 0.17
about what the fleet rating predicts
as skipper 30–30 (50%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202516–2—
Fall 202413–2—
Spring 202419–0—
Fall 202312–8—
Spring 202316–0—
Fall 202212–10—
Fall 202112–8—
11.11.21.31.41.51.6Fall 2022Spring 2023Fall 2023Spring 2024Fall 2024Spring 2025Dave Perry Trophy (2022-10-29): rating 1.13, fleet rating alone 1.17, offset -0.04; record 2-10 in this boatTeam Race Invite (2023-04-16): rating 1.18, fleet rating alone 1.18, offset -0.00; record 6-0 in this boatFranklin Lane Trophy Team Race (2023-10-22): rating 1.25, fleet rating alone 1.23, offset +0.02; record 2-8 in this boatAlymers Team Race Invite (2024-04-06): rating 1.40, fleet rating alone 1.38, offset +0.01; record 9-0 in this boatFranklin Lane Trophy Team Race (2024-10-20): rating 1.42, fleet rating alone 1.39, offset +0.03; record 3-2 in this boatMass Maritime Team Race Invite (2025-03-15): rating 1.48, fleet rating alone 1.44, offset +0.05; record 6-2 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 7 graded regattas (60 matches) the record is 30–30 against 27.9 wins the pre-event forecasts expected (+2.1). 2 regattas clearly above the rating (P ≤ 20%), 2 clearly below (P ≥ 80%); 8 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2025-03-15Mass Maritime Team Race Inviteskipper1.691.896–25.7+0.200.058%
2024-10-20Franklin Lane Trophy Team Raceskipper1.893.383–21.7+1.491.516%
2024-04-06Alymers Team Race Inviteskipper1.814.819–08.0≥+3.001.532%
2023-10-22Franklin Lane Trophy Team Raceskipper1.681.062–82.9−0.620.487%
2023-04-16Team Race Inviteskipper1.624.626–05.0≥+3.001.533%
2022-10-29Dave Perry Trophyskipper1.502.642–100.8+1.141.118%
2021-10-24Lane Trophy Team Raceskipper1.650.502–83.9−1.151.597%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2025 Team page Season
Mass Maritime Team Race Invite Skipper TR 10 80% —
CGA J70 Invite #3 Keelboat Crew A 12 1.8 —
2025 Southern Collegiate Offshore Regatta (PHRF B) Keelboat Skipper A 7 3.0 0.29
2025 J70 Invite #2 Keelboat Skipper A 12 4.6 0.56
Fall 2024 Team page Season
Richard Ross at Courageous Keelboat Skipper A 5 8.2 0.22
Mt. Hope Bay Invite Skipper A 14 9.9 1.66
Great Lakes IOR - J105 Division Keelboat Crew A 6 3.7 —
Franklin Lane Trophy Team Race Skipper TR 5 60% —
Spring 2024 Team page Season
Southern Series 7 Skipper A 8 9.2 -1.14
O’Toole Saturday FR Skipper B 4 1.8 3.90
Central 1 Skipper B 6 2.8 2.73
Alymers Team Race Invite Skipper TR 9 100% —
2024 Icebreaker Fleet Race Skipper A 5 8.4 1.76
Fall 2023 Team page Season
Mt. Hope Bay Invite Skipper A 14 7.6 1.21
C - Invite Skipper A 6 7.7 1.22
The George Warren Smith Trophy Skipper B 9 10.0 1.61
Franklin Lane Trophy Team Race Skipper TR 10 20% —
BU Invite Oct Skipper A 8 8.0 1.57
Spring 2023 Team page Season
Team Race Invite Skipper TR 8 100% —
Sunday Salve Regina Invite Skipper A 7 6.0 2.82
Southern 5 Fleet Race / Ewenson Trophy Skipper A 10 9.6 -1.39
O'Toole Trophy Skipper A 10 4.0 2.08
Icebreaker Invitational Skipper A 5 6.8 1.26
2023 J70 Invite #1 Keelboat Skipper A 12 4.0 1.03
Fall 2022 Team page Season
Salt Pond Invite Skipper B 10 5.4 1.65
Mt. Hope Bay Invite Skipper B 5 7.8 1.06
Mass Maritime Invite Skipper B 5 6.2 1.23
Dave Perry Trophy Skipper TR 12 17% —
The Dark of Night Skipper A 3 10.0 —
Spring 2022 Team page Season
Sunday Salve Invite Skipper B 4 5.8 0.63
Southern 5 Fleet Race/Ewenson Trophy Skipper B 5 9.6 -0.01
O'Toole Trophy Skipper B 7 5.0 1.36
Central Series Four Skipper B 6 7.3 1.76
J-70 Invite #1 Keelboat Crew A 13 3.6 —
Fall 2021 Team page Season
Tufts Invitational Skipper B 6 7.7 2.35
Mt. Hope Bay Invite Crew B 6 6.7 —
Mass Maritime Invite Skipper B 6 4.2 2.21
Lark Invite Crew B 6 9.0 —
Lane Trophy Team Race Skipper TR 10 20% —

Linked Profiles

League Name School Year
ISSA Keller Morrison Sehome High SchoolSehome High 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 →