Colin Obyrne

Career: 99.27 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
Spring 2025	JSerra Catholic High School	1.73	78.16	83.33	1 of 3	17	–
Spring 2024	JSerra Catholic High School	2.78	94.29	90.00	1 of 5	28	–
Fall 2023	JSerra Catholic High School	2.83	95.31	91.67	1 of 6	13	–

Regatta	Role	Div	Races	Avg	Rating
Spring 2025 Season
2024-25 PCISA SoCal 4 Silver	Crew	A	17	7.4	+0.84
Fall 2024 Season
2024-25 PCISA SoCal 1 Silver	Crew	A	8	10.6	+0.61
Spring 2024 Season
2023-24 PCISA SoCal 5 Silver	Crew	A	17	9.0	+0.22
2023-24 PCISA SoCal 4 Silver	Crew	A	11	14.5	+0.47
Fall 2023 Season
2023-24 PCISA SoCal 3 Silver	Crew	A	8	19.6	+0.19
2023-24 PCISA SoCal 2 Silver	Crew	A	5	8.8	+0.55

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.