Katherine McNamara

Rating History

Crew Rating

Career: 70.43 percentile of ICSA crews (limited evidence)

No season rating yet: needs 8+ crewed races in a season.

Team Race Rating

Rating Rank vs fleet rating Record
2.49 (fleet 3.47) 127 of 328 −0.02 ± 0.12
about what the fleet rating predicts
as skipper 211–118 (64%)
as crew 1–0 (100%)
SeasonRegattas Skipper W–LCrew W–L
Spring 2026872–31—
Spring 2025874–331–0
Spring 2024741–38—
Fall 2023212–6—
Spring 2023311–7—
Fall 202211–3—
22.252.52.75Spring 2023Fall 2023Spring 2024Spring 2025Spring 2026Franny Charles Women’s Team Race Regatta (2023-03-11): rating 2.15, fleet rating alone 2.18, offset -0.02; record 4-5 in this boatBrown Team Race Invite (2023-03-18): rating 2.11, fleet rating alone 2.17, offset -0.06; record 6-2 in this boatWomen's Team Race National Championship (2023-04-29): rating 2.06, fleet rating alone 2.16, offset -0.10; record 1-0 in this boatNorman Reid Team Race (2023-10-21): rating 2.19, fleet rating alone 2.28, offset -0.09; record 8-4 in this boatDave Perry Team Race (2023-10-28): rating 2.19, fleet rating alone 2.28, offset -0.10; record 4-2 in this boatHarvard Women's Team Race (2024-03-02): rating 2.21, fleet rating alone 2.28, offset -0.07; record 5-2 in this boatJen Harris Women's Team Race (2024-03-09): rating 2.26, fleet rating alone 2.29, offset -0.04; record 1-0 in this boatJen Harris Women's Team Race (2024-03-09): rating 2.26, fleet rating alone 2.29, offset -0.04; record 5-3 in this boatThe Duplin Trophy (2024-03-23): rating 2.29, fleet rating alone 2.31, offset -0.02; record 5-7 in this boatDellenbaugh Women's Team Race Trophy (2024-03-30): rating 2.24, fleet rating alone 2.31, offset -0.07; record 2-2 in this boatDellenbaugh Women's Team Race Trophy (2024-03-30): rating 2.24, fleet rating alone 2.31, offset -0.07; record 7-5 in this boatYale Women's Team Race (2024-04-06): rating 2.27, fleet rating alone 2.32, offset -0.05; record 10-5 in this boatNEISA Women’s Team Race Champs/Legler Trophy (2024-04-13): rating 2.29, fleet rating alone 2.33, offset -0.03; record 3-2 in this boatNEISA Women’s Team Race Champs/Legler Trophy (2024-04-13): rating 2.29, fleet rating alone 2.33, offset -0.03; record 3-7 in this boatICSA Women's Team Race National Championship (2024-04-28): rating 2.35, fleet rating alone 2.40, offset -0.05; record 0-5 in this boatWomen's Team Race (2025-03-01): rating 2.45, fleet rating alone 2.52, offset -0.07; record 4-1 in this boatJen Harris Women's Team Race (2025-03-08): rating 2.47, fleet rating alone 2.54, offset -0.07; record 3-0 in this boatJen Harris Women's Team Race (2025-03-08): rating 2.47, fleet rating alone 2.54, offset -0.07; record 3-3 in this boatJen Harris Women's Team Race (2025-03-08): rating 2.47, fleet rating alone 2.54, offset -0.07; record 8-1 in this boatSouthern New England Women's Team Race (2025-03-15): rating 2.54, fleet rating alone 2.57, offset -0.03; record 13-2 in this boatThe Duplin Trophy (2025-03-22): rating 2.59, fleet rating alone 2.60, offset -0.02; record 4-2 in this boatThe Duplin Trophy (2025-03-22): rating 2.59, fleet rating alone 2.60, offset -0.02; record 7-3 in this boatDellenbaugh Women's Team Race Trophy (2025-03-29): rating 2.58, fleet rating alone 2.60, offset -0.02; record 3-0 in this boatDellenbaugh Women's Team Race Trophy (2025-03-29): rating 2.58, fleet rating alone 2.60, offset -0.02; record 5-7 in this boatYale Women's Team Race (2025-04-05): rating 2.58, fleet rating alone 2.61, offset -0.03; record 3-1 in this boatYale Women's Team Race (2025-04-05): rating 2.58, fleet rating alone 2.61, offset -0.03; record 4-2 in this boatNEISA Women's TR Champs - Legler Trophy (2025-04-12): rating 2.61, fleet rating alone 2.64, offset -0.02; record 2-1 in this boatNEISA Women's TR Champs - Legler Trophy (2025-04-12): rating 2.61, fleet rating alone 2.64, offset -0.02; record 10-4 in this boatICSA Women's Team Race National Championship (2025-04-27): rating 2.64, fleet rating alone 2.66, offset -0.02; record 0-3 in this boatICSA Women's Team Race National Championship (2025-04-27): rating 2.64, fleet rating alone 2.66, offset -0.02; record 1-1 in this boatICSA Women's Team Race National Championship (2025-04-27): rating 2.64, fleet rating alone 2.66, offset -0.02; record 1-1 in this boatICSA Women's Team Race National Championship (2025-04-27): rating 2.64, fleet rating alone 2.66, offset -0.02; record 3-1 in this boatHarvard Women's Team Race (2026-03-01): rating 2.61, fleet rating alone 2.63, offset -0.02; record 7-1 in this boat2026 Jen Harris Team Race (2026-03-07): rating 2.62, fleet rating alone 2.63, offset -0.00; record 6-1 in this boatWomen's SNE Team Race (2026-03-14): rating 2.58, fleet rating alone 2.60, offset -0.01; record 1-1 in this boatWomen's SNE Team Race (2026-03-14): rating 2.58, fleet rating alone 2.60, offset -0.01; record 2-0 in this boatWomen's SNE Team Race (2026-03-14): rating 2.58, fleet rating alone 2.60, offset -0.01; record 3-4 in this boatDuplin Women's Team Race (2026-03-21): rating 2.56, fleet rating alone 2.60, offset -0.04; record 5-1 in this boatDuplin Women's Team Race (2026-03-21): rating 2.56, fleet rating alone 2.60, offset -0.04; record 5-3 in this boatDellenbaugh Women's Team Race Trophy (2026-03-28): rating 2.51, fleet rating alone 2.55, offset -0.04; record 6-2 in this boatDellenbaugh Women's Team Race Trophy (2026-03-28): rating 2.51, fleet rating alone 2.55, offset -0.04; record 7-1 in this boatYale Women's (2026-04-04): rating 2.52, fleet rating alone 2.55, offset -0.03; record 2-0 in this boatYale Women's (2026-04-04): rating 2.52, fleet rating alone 2.55, offset -0.03; record 3-1 in this boatNEISA Women's Team Race Championship - Legler (2026-04-11): rating 2.55, fleet rating alone 2.56, offset -0.02; record 2-1 in this boatNEISA Women's Team Race Championship - Legler (2026-04-11): rating 2.55, fleet rating alone 2.56, offset -0.02; record 10-6 in this boatICSA Women's Team Race National Championship (2026-04-26): rating 2.50, fleet rating alone 2.52, offset -0.02; record 6-2 in this boatICSA Women's Team Race National Championship (2026-04-26): rating 2.50, fleet rating alone 2.52, offset -0.02; record 7-7 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 28 graded regattas (328 matches) the record is 210–118 against 216.8 wins the pre-event forecasts expected (−6.8). 3 regattas clearly above the rating (P ≤ 20%), 12 clearly below (P ≥ 80%); 24 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-04-26ICSA Women's Team Race National Championshipskipper3.083.1213–912.8+0.040.057%
2026-04-11NEISA Women's Team Race Championship - Leglerskipper3.102.6712–713.6−0.430.587%
2026-04-04Yale Women'sskipper3.093.635–14.5+0.540.254%
2026-03-28Dellenbaugh Women's Team Race Trophyskipper3.073.4413–312.1+0.380.243%
2026-03-21Duplin Women's Team Raceskipper3.092.7810–410.7−0.310.280%
2026-03-14Women's SNE Team Raceskipper3.171.916–58.5−1.262.499%
2026-03-072026 Jen Harris Team Raceskipper3.122.866–16.2−0.260.082%
2026-03-01Harvard Women's Team Raceskipper3.093.837–16.3+0.740.345%
2025-04-27ICSA Women's Team Race National Championshipskipper3.332.095–67.5−1.232.298%
2025-04-12NEISA Women's TR Champs - Legler Trophyskipper3.143.0112–512.3−0.130.072%
2025-04-05Yale Women's Team Raceskipper3.253.237–37.0−0.030.069%
2025-03-29Dellenbaugh Women's Team Race Trophyskipper3.222.758–79.1−0.480.486%
2025-03-22The Duplin Trophyskipper3.243.0111–511.6−0.230.177%
2025-03-15Southern New England Women's Team Raceskipper3.073.1013–212.9+0.030.066%
2025-03-08Jen Harris Women's Team Raceskipper2.984.2114–410.7+1.232.85%
2025-03-01Women's Team Raceskipper2.943.654–13.6+0.710.257%
2024-04-28ICSA Women's Team Race National Championshipskipper2.87-0.130–51.5≤−3.002.6>99%
2024-04-13NEISA Women’s Team Race Champs/Legler Trophyskipper2.832.176–97.7−0.660.892%
2024-04-06Yale Women's Team Raceskipper2.853.7010–57.5+0.851.512%
2024-03-30Dellenbaugh Women's Team Race Trophyskipper2.773.299–77.5+0.530.628%
2024-03-23The Duplin Trophyskipper2.811.375–78.0−1.443.299%
2024-03-09Jen Harris Women's Team Raceskipper2.763.046–35.6+0.290.153%
2024-03-02Harvard Women's Team Raceskipper2.674.255–23.2+1.582.110%
2023-10-28Dave Perry Team Raceskipper2.663.394–23.1+0.730.437%
2023-10-21Norman Reid Team Raceskipper2.652.448–48.3−0.210.176%
2023-03-18Brown Team Race Inviteskipper2.541.216–27.3−1.331.598%
2023-03-11Franny Charles Women’s Team Race Regattaskipper2.621.674–55.6−0.951.195%
2022-10-23Franklin Lane Trophyskipper2.541.181–32.0−1.361.096%

Regatta results

Regatta Role Div Races Avg Rating
Fall 2026 Team page Season
Hinman Trophy (U.S. Team Racing Championship) Selected TR — — —
Fall 2025 Team page Season
College Sailing Match Race National Championship Keelboat Crew A 1 6.0 —
Pine Trophy 2025 Keelboat Crew A 14 2.7 —
NEISA Match Race Championship Keelboat Crew A 3 2.0 —
Fall 2024 Team page Season
NEISA Match Race Championship Keelboat Crew A 3 5.0 —
ICSA Match Race National Championship Keelboat Crew A 1 2.0 —
2024 Pine Trophy Keelboat Crew A 12 4.1 —

Linked Profiles

League Name School Year
ISSA Katherine Mcnamara Greens Farms AcademyGreens Farms Academy '22

From the notes

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

All notes →