Koa Balk

Career: 56.43 percentile of ICSA crews

▲ 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	Mira Costa High School	1.15		69.76	43.75	5 of 8	35	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2026 Team page Season
2025-26 PCISA SoCal 5 Silver	Crew	A	15	6.5	+0.28
2025-26 PCISA SoCal 4 Silver	Crew	A	20	7.1	-0.16

League	Name	School	Year
ISSA	Koa Balk	South Torrance High School	'30

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.