Sophia Preston

Crew Rating

Career: 27.83 percentile of ICSA crews
0.501.001.50H. Holguin (18 races): -0.32H. HolguinS. Meyers (8 races): +0.20S. MeyersS. Meyers (4 races): -0.01Spring 2024: rating 0.21Spring 2024University of California at Santa CruzH. Holguin (4 races): -0.23H. HolguinB. Baylis (5 races): +0.16B. BaylisFall 2024: rating 0.20Fall 2024University of California at Santa CruzH. Holguin (8 races): +0.56H. HolguinD. Baker-Berry (6 races): -0.05D. Baker-BerrySpring 2025: rating 0.97Spring 2025University of California at Santa CruzI. Sharp (4 races): -0.22I. SharpA. Venugopalan (4 races): +0.16A. VenugopalanC. Olson (22 races): +0.11Fall 2025: rating 0.21Fall 2025University of California at Santa CruzA. Stolyarova (9 races): -0.36A. StolyarovaC. Kim (8 races): -0.23C. KimD. Baker-Berry (9 races): -0.21Spring 2026: rating 0.65Spring 2026University of California at Santa Cruz
▲ 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 University of California at Santa Cruz 0.65 Rating 0.65; 90% range -2.2 to 3.5; team skipper average 0.97 39.13 46.88 9 of 16 26 Team page
Fall 2025 University of California at Santa Cruz 0.21 Rating 0.21; 90% range -2.7 to 3.1; team skipper average 0.51 24.45 40.62 10 of 16 30 Team page
Spring 2025 University of California at Santa Cruz 0.97 Rating 0.97; 90% range -1.9 to 3.8; team skipper average 1.34 41.32 40.62 10 of 16 14 Team page
Fall 2024 University of California at Santa Cruz 0.20 Rating 0.20; 90% range -2.6 to 3.0; team skipper average 0.87 25.17 28.12 12 of 16 9 Team page
Spring 2024 University of California at Santa Cruz 0.21 Rating 0.21; 90% range -2.6 to 3.0; team skipper average 0.82 26.46 42.31 8 of 13 30 Team page

Team Race Rating

Rating Rank vs fleet rating Record
1.45 unranked (fewer than 30 matches as skipper, or not active) −0.01 ± 0.18
about what the fleet rating predicts
as skipper 2–1 (67%)
as crew 6–7 (46%)
SeasonRegattas Skipper W–LCrew W–L
Spring 202612–13–3
Spring 20251—3–4

Team race surprisal: regatta by regatta

Over 3 graded regattas (16 matches) the record is 8–8 against 7.2 wins the pre-event forecasts expected (+0.8). 0 regattas clearly above the rating (P ≤ 20%), 1 clearly below (P ≥ 80%); 1 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-03-07Mustang Team Raceskipper1.200.492–12.4−0.710.290%
2026-03-07Mustang Team Racecrew1.202.373–32.1+1.170.730%
2025-02-01Mustang Team Racecrew0.961.223–42.7+0.270.156%

Regatta results

Regatta Role Div Races Avg Rating
Spring 2026 Team page Season
Mustang Team Race Crew TR 10 60% —
Mustang Open JV Crew A 8 6.5 -0.23
Jeff Simon Open Crew A 9 14.6 -0.21
Anteater Open Crew A 9 10.6 -0.36
Fall 2025 Team page Season
West Coast Championships Crew B 7 10.9 -0.23
UCSD Open Crew B 9 4.4 +0.36
Stoney Burke Co-Ed Varsity Crew A 4 6.8 -0.22
Fall Pacific Coast Championship Crew C 4 15.8 +0.16
2026 Rose Bowl Regatta Crew B 6 14.8 -0.02
Spring 2025 Team page Season
Mustang Team Race Crew TR 7 43% —
Mustang Open JV Crew A 8 3.1 +0.56
Anteater Open JV Crew B 6 5.2 -0.05
Fall 2024 Team page Season
Stoney Burke JV Crew B 4 10.2 -0.23
Fall PCC JV Crew A 5 2.4 +0.16
Spring 2024 Team page Season
Rainier Cup Crew B 12 8.4 -0.16
Mustang Open Varsity Crew B 4 9.0 -0.01
Cactus Cup Crew B 6 5.0 -0.16
Anteater JV Crew A 8 4.4 +0.20

From the notes

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

All notes →