Graham Marshall

Career: 62.02 percentile of ICSA crews (limited evidence)

Includes linked high school and college seasons.

▲ 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 2023	Evanston Township HS	-0.19		16.04	30.00	4 of 5	11	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2026 Team page Season
Rochester Club Open	Crew	A, B	4	2.5	—

League	Name	School	Year
ISSA	Graham Marshall	Beacon Academy	'25
ISSA	Graham Marshall	Glenbrook South High School	'25
ISSA	Graham Marshall	Evanston Township HS	'25

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.