Jonathan Walerys

Career: 14.15 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	League percentile	Team percentile	On team	Races	Team page
Fall 2026	Drexel University	-0.71	9.28	16.67	3 of 3	11	Team page
Fall 2025	Drexel University	-1.23	4.48	12.50	4 of 4	8	Team page
Fall 2024	Drexel University	-0.70	9.16	7.14	7 of 7	25	Team page
Spring 2024	Drexel University	0.04	21.67	8.33	6 of 6	13	Team page

Regatta	Role	Div	Races	Avg	Rating
Fall 2026 Team page Season
Washington College Fall Open	Skipper	B	6	6.0	0.30
Philly Fleet Race	Crew	B	6	4.7	-0.36
Luce Trophy	Skipper	A, B	6	9.3	0.63
John Quinn	Skipper	A	4	5.8	0.16
Spring 2026 Team page Season
Stony Brook Cup (Brendan Brown-McCue Memorial)	Skipper	A	9	4.3	-0.38
Jeremy A. Pinkerton Memorial Regatta	Skipper	A	8	4.2	0.76
The Grant	Skipper	B	8	11.8	-1.00
Engineer's Cup	Skipper	A	6	2.2	0.11
Drexel Open	Skipper	A	1	2.0	—
Fall 2025 Team page Season
Princeton Fall Open	Skipper	B	5	6.4	-3.13
McCurdy Memorial	Crew	B	2	7.5	-0.07
Luce Trophy	Skipper	B	15	13.0	-0.66
Spring 2025 Team page Season
The Grant	Crew	B	4	12.5	-0.24
Fall 2024 Team page Season
War Memorial	Crew	A	18	15.3	-0.10
Princeton Fall Open	Crew	A	7	2.0	+0.12
Spring 2024 Team page Season
Engineer's Cup Open	Crew	A	5	2.4	-0.14
Drexel Open	Crew	B	2	5.0	-0.07
Delaware Spring Open	Crew	B	6	5.3	-0.01

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.