Leo Marek

Rating History

Crew Rating

Career: 58.40 percentile of ICSA crews
0.501.001.502.00A. Unger (12 races): +0.45A. UngerFall 2023: rating 1.06Fall 2023Rice UniversityJ. Slipper (20 races): -0.74J. SlipperR. Miller (10 races): +0.25R. MillerFall 2024: rating 0.93Fall 2024Rice UniversityJ. Slipper (6 races): +0.06J. SlipperR. Miller (4 races): +0.02R. MillerSpring 2025: rating 0.96Spring 2025Rice UniversityR. Miller (30 races): +0.19R. MillerFall 2025: rating 1.76Fall 2025Rice University
▲ 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
Fall 2025 Rice University 1.76 Rating 1.76; 90% range -1.1 to 4.6; team skipper average 1.26 58.83 50.00 3 of 5 30 Team page
Spring 2025 Rice University 0.96 Rating 0.96; 90% range -1.5 to 3.5; team skipper average 1.44 41.22 16.67 3 of 3 10 Team page
Fall 2024 Rice University 0.93 Rating 0.93; 90% range -1.6 to 3.4; team skipper average 1.41 40.06 16.67 3 of 3 30 Team page
Fall 2023 Rice University 1.06 Rating 1.06; 90% range -1.9 to 4.0; team skipper average 1.09 39.69 41.67 4 of 6 12 Team page

Singlehanded & Keelboat Ratings

DisciplineRating Rank RacesLast raced
Singlehanded-0.14unranked (fewer than 10 races or not active)15Fall 2021

Team Race Rating

Rating Rank vs fleet rating Record
0.26 (fleet 0.35) 326 of 328 +0.01 ± 0.17
about what the fleet rating predicts
as skipper 15–39 (28%)
as crew 4–5 (44%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202636–122–1
Spring 202521–12–4
Spring 202428–6—
Spring 202310–20—
0.10.20.30.4Spring 2024Spring 2025Spring 2026Q1 Regatta (2024-02-03): rating 0.28, fleet rating alone 0.30, offset -0.02; record 3-5 in this boatMcCarthy Cup Team Race (2024-03-30): rating 0.20, fleet rating alone 0.25, offset -0.05; record 5-1 in this boatMcCarthy Cup (2025-03-08): rating 0.23, fleet rating alone 0.26, offset -0.03; record 1-1 in this boatCorpus Christi Spring Open Team Race (2026-02-21): rating 0.26, fleet rating alone 0.29, offset -0.03; record 4-8 in this boatMcCarthy Cup (2026-03-07): rating 0.30, fleet rating alone 0.29, offset +0.01; record 2-4 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 (61 matches) the record is 18–43 against 17.8 wins the pre-event forecasts expected (+0.2). 1 regatta clearly above the rating (P ≤ 20%), 2 clearly below (P ≥ 80%); 10 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-03-07McCarthy Cupskipper0.710.432–42.4−0.290.177%
2026-02-21Corpus Christi Spring Open Team Raceskipper0.492.634–81.1+2.144.81%
2026-01-31Q1 Regattacrew1.741.722–12.0−0.020.077%
2025-02-01Q1 Regattacrew1.231.052–42.2−0.180.074%
2024-03-30McCarthy Cup Team Raceskipper0.461.975–13.9+1.511.222%
2024-02-03Q1 Regattaskipper0.49-0.693–54.8−1.181.497%
2023-03-04Garner Tullisskipper0.36-2.640–201.5≤−3.002.1>99%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2026 Team page Season
Q1 Regatta Crew TR 3 67% —
McCarthy Cup Skipper TR 6 33% —
Harris Kempner Skipper B 8 5.8 0.67
Corpus Christi Spring Open Team Race Skipper TR 12 33% —
10th Annual Sailpack Oriental Intercollegiate Skipper B 12 10.3 0.39
Fall 2025 Team page Season
Troy Swetnam Memorial Regatta 2025 Crew A 2 2.0 +0.14
SEISA Match Racing Championship Keelboat Crew A 1 2.0 —
SEISA Fall Open Fleet Race Champs Crew B 12 4.8 +0.04
Lone Star Regatta Crew B 14 4.4 -0.12
Kathryn Hammond Skipper B 11 7.5 -1.00
Baldwin Wood Skipper A 5 9.2 -0.32
Spring 2025 Team page Season
Q1 Regatta Crew TR 9 56% —
McCarthy Cup Skipper TR 3 67% —
ICSA Regional Teams Championship Crew A 4 4.2 +0.02
2025 Sailpack Oriental Intercollegiate Regatta Crew B 6 6.5 +0.06
Fall 2024 Team page Season
SEISA Match Race Championship Keelboat Crew A 1 4.0 —
Allstate Sugar Bowl Open Crew B 9 15.7 -0.86
Kathryn Hammond Crew B 11 5.8 +0.12
Baldwin Wood Crew A 10 6.2 +0.25
Spring 2024 Team page Season
St. Francis Invite Skipper B 2 7.0 -2.05
Q1 Regatta Skipper TR 4 50% —
McCarthy Cup Team Race Skipper TR 6 83% —
Fall 2023 Team page Season
Sugar Bowl Open Crew B 9 15.4 +0.18
SEISA Open Fall Championship Crew B 4 8.0 +0.07
Kathryn Hammond Memorial Skipper B 8 10.8 —
Aggie Fall Skipper A 8 4.1 1.36
Spring 2023 Team page Season
Garner Tullis Skipper TR 20 0% —

Linked Profiles

League Name School Year
ISSA Leo Marek The Athenian SchoolThe Athenian 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 →