Jason Jonas

Career: 16.04 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
Fall 2025	Junipero Serra High School	0.29		50.15	10.00	5 of 5	9	Team page

Regatta	Role	Div	Races	Avg	Rating
Fall 2025 Team page Season
Nor Cal 1 Gold	Crew	A	2	6.0	+0.20
2025 PCISA Anteater Gold	Crew	B	4	26.5	-0.55
2025 Norcal 3 Gold	Crew	A	3	20.7	-0.39

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.