Isabella Idema

Career: 19.42 percentile of ICSA crews (limited evidence)

▲ 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 2025	Northern Michigan University	-0.85		7.92	12.50	4 of 4	12	Team page

Regatta	Role	Div	Races	Avg	Rating
Fall 2025 Team page Season
Gavin D. Memorial Regatta	Crew	B	6	8.3	+0.05
Spring 2025 Team page Season
Laker Showdown	Crew	B	12	8.1	-0.56
Fall 2024 Team page Season
Fall Fury	Crew	B	4	13.0	-0.21

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

How do skipper ratings work?A log-strength fitted to every race at once, smoothed week to week.
What a rating point is worthA one-point edge is a 73% chance to beat another boat in a race; two points is 88%.
How does a crew rating work?A crew rating is small and uncertain; a worked example on one roster.