Madeline Koelbel

Rating History

Crew Rating

Career: 39.25 percentile of ICSA crews
2.252.502.753.003.253.503.754.00O. Drulard (8 races): -0.37O. DrulardR. Satterberg (12 races): -0.15R. SatterbergS. Young (11 races): +0.01Fall 2023: rating 2.85Fall 2023Dartmouth CollegeS. Young (12 races): +0.63S. YoungSpring 2024: rating 3.16Spring 2024Dartmouth CollegeR. Satterberg (48 races): -0.32R. SatterbergB. Casaretto (14 races): +0.03B. CasarettoFall 2025: rating 2.73Fall 2025Dartmouth CollegeR. Satterberg (21 races): +0.21R. SatterbergB. Casaretto (2 races): -0.05B. CasarettoSpring 2026: rating 3.50Spring 2026Dartmouth College
▲ boats did better with this crew than with the skipper's usual crews▼ worseArrow length = size of the push, in rating points
Season Team Rating Range League
percentile
Team
percentile
On team Races Team page
Spring 2026 Dartmouth College 3.50 Rating 3.50; 90% range 1.0 to 6.0; team skipper average 3.65 90.23 35.71 5 of 7 23 Team page
Fall 2025 Dartmouth College 2.73 Rating 2.73; 90% range 0.1 to 5.3; team skipper average 2.85 78.05 29.17 9 of 12 62 Team page
Spring 2024 Dartmouth College 3.16 Rating 3.16; 90% range 0.6 to 5.7; team skipper average 3.25 82.53 45.83 7 of 12 12 Team page
Fall 2023 Dartmouth College 2.85 Rating 2.85; 90% range 0.2 to 5.5; team skipper average 3.16 76.39 36.67 10 of 15 48 Team page

Team Race Rating

Rating Rank vs fleet rating Record
1.60 (fleet 2.20) unranked (fewer than 30 matches as skipper, or not active) +0.00
about what the fleet rating predicts
as crew 153–97 (61%)
SeasonRegattas Skipper W–LCrew W–L
Spring 20267—67–37
Spring 20255—36–27
Spring 20245—47–30
Spring 20231—3–3

Team race surprisal: regatta by regatta

Over 18 graded regattas (250 matches) the record is 153–97 against 138.1 wins the pre-event forecasts expected (+14.9). 4 regattas clearly above the rating (P ≤ 20%), 3 clearly below (P ≥ 80%); 14 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 Championshipcrew3.834.2615–1013.0+0.430.624%
2026-04-11Thompson Trophycrew3.813.728–78.2−0.090.068%
2026-04-04NEISA Open Team Race Championship/Fowle Trophycrew3.754.3814–711.8+0.631.018%
2026-03-28The Lynn Marchiando Trophy Team Race-2026crew3.695.0713–210.4+1.382.47%
2026-03-21Aaron Szambecki Team Racecrew3.733.218–59.2−0.520.487%
2026-03-01Harvard Women's Team Racecrew3.435.747–14.3+2.314.13%
2026-02-28Liam O'Keefe '26 Trophy Team Racecrew3.442.972–52.6−0.480.283%
2025-04-24ICSA Open Team Race National Championshipcrew3.654.358–46.4+0.700.823%
2025-04-12Thompson Trophy Camelcrew3.584.1612–610.1+0.580.822%
2025-04-05Fowle Trophycrew3.544.294–43.0+0.750.631%
2025-03-292025 Marchiando Trophy-Grey Regattacrew3.483.5410–119.8+0.060.055%
2025-03-22Aaron Szambecki Team Racecrew3.532.302–22.8−1.230.796%
2024-04-28ICSA Women's Team Race National Championshipcrew3.343.3611–810.9+0.020.059%
2024-04-13NEISA Women’s Team Race Champs/Legler Trophycrew3.092.8010–710.9−0.290.279%
2024-04-06Yale Women's Team Racecrew3.043.049–69.0−0.000.062%
2024-03-30Dellenbaugh Women's Team Race Trophycrew2.923.9210–67.2+1.012.08%
2024-03-23Seahawk Women's Team Racecrew2.833.337–36.0+0.500.436%
2023-03-25Team Racing Invitecrew2.292.433–32.8+0.130.059%

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
Women's Fleet Race National Championhips Women's Crew A 2 12.0 -0.05
Thompson Trophy Crew TR 15 53% —
Open Fleet Race National Championships Crew A 14 8.0 +0.23
Open Eastern National Semis Crew A 7 6.7 -0.02
NEISA Open Team Race Championship/Fowle Trophy Crew TR 21 67% —
The Lynn Marchiando Trophy Team Race-2026 Crew TR 15 87% —
Liam O'Keefe '26 Trophy Team Race Crew TR 7 29% —
ICSA Open Team Race National Championship Crew TR 25 60% —
Harvard Women's Team Race Women's Crew TR 8 88% —
Aaron Szambecki Team Race Crew TR 13 62% —
Fall 2025 Team page Season
Toni Deutsch '58 Trophy 2025 Women's Crew A 14 5.9 +0.03
Open Atlantic Coast Championship Round 1A Crew B 7 7.0 -0.30
Open Atlantic Coast Championship Finals Crew B 9 8.3 -0.06
Danmark Trophy Crew A 11 7.7 +0.07
84th Professor Erwin Schell Trophy Crew B 14 5.6 +0.02
The 34th Captain Hurst Bowl Crew A 7 5.3 -0.06
Spring 2025 Team page Season
Thompson Trophy Camel Crew TR 18 67% —
Open Western Semi Finals Crew B 2 12.0 -0.12
ICSA Open Team Race National Championship Crew TR 22 54% —
Fowle Trophy Crew TR 23 52% —
Aaron Szambecki Team Race Crew TR 14 50% —
2025 Marchiando Trophy-Grey Regatta Crew TR 21 48% —
Spring 2024 Team page Season
Yale Women's Team Race Women's Crew TR 15 60% —
Women's New England Fleet Race Championship Women's Crew B 8 3.1 +0.40
Western Women’s National Semi-finals Women's Crew B 4 2.2 +0.23
Seahawk Women's Team Race Women's Crew TR 21 71% —
ICSA Women's Team Race National Championship Women's Crew TR 19 58% —
Dellenbaugh Women's Team Race Trophy Women's Crew TR 16 62% —
NEISA Women’s Team Race Champs/Legler Trophy Women's Crew TR 17 59% —
Fall 2023 Team page Season
Yale Women's Regatta Women's Crew B 5 5.8 +0.12
The Victorian Urn Trophy Women's Crew B 6 7.8 -0.12
Stu Nelson Women's Crew B 12 5.9 +0.10
Mrs. Hurst Bowl Women's Crew B 5 7.2 -0.11
Captain Hurst Bowl Crew B 12 6.6 -0.15
Bears Invite Crew A 8 8.6 -0.37
Spring 2023 Team page Season
Team Racing Invite Crew TR 20 50% —
Little 3 Skipper B 6 2.2 2.11
2023 Central Series 4 Crew B 4 8.0 +0.01
Fall 2022 Team page Season
Sister Esther Open Skipper B 12 8.2 2.49
George Warren Smith Trophy Skipper B 8 9.4 2.40
Barnett Trophy Skipper B 7 8.6 1.88

Linked Profiles

League Name School Year
ISSA Madeline Koelbel Duxbury High SchoolDuxbury High School '22

From the notes

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

All notes →