Mason Riley

Career: 50.01 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	Leonardtown High School	0.39		46.23	64.29	3 of 7	34	Team page
Fall 2025	Leonardtown High School	0.15		44.47	37.50	3 of 4	19	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2026 Team page Season
MDISA St. Marys Ryken Tier 2 Fleet Race	Crew	B	7	3.4	+0.23
MDISA WRSC Spring 2026 Fleet Tier 2	Crew	A	8	6.1	+0.05
MDISA Championship Tier 2	Crew	A	5	11.0	+0.15
MDISA KENT ISLAND T3	Crew	A	7	4.6	-0.12
MDISA KENT ISLAND T2	Crew	A	7	7.6	-0.13
Fall 2025 Team page Season
MDISA Ryken Fleet Tier 2	Crew	A	3	5.0	+0.02
MDISA Ryken Fleet OCT-2025 Tier 3	Crew	A	6	2.3	+0.42
MDISA St. Marys Ryken Tier 2 Fleet	Crew	B	5	5.8	-0.37
MDISA Fleet Qualifier	Crew	A	5	6.6	-0.17
Spring 2025 Team page Season
MDISA DC Sail T2 Fleet Race	Crew	B	7	9.0	+0.05

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.