Issac Heffes

Career: 80.63 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	Severna Park	1.99		85.41	91.67	1 of 6	15	Team page
Fall 2025	Severna Park	1.03		72.47	87.50	1 of 4	16	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2026 Team page Season
MDISA St. Marys Ryken Tier 2 Fleet Race	Crew	B	7	2.0	+0.19
MDISA Championship Tier 2	Crew	B	5	3.8	+0.28
MDISA BCSC Tier 2 May Flowers Regatta	Crew	B	3	3.7	+0.13
Fall 2025 Team page Season
MDISA Varsity Champs Fall 2025	Crew	B	8	12.2	-0.02
MDISA Team Race Qualifier	Crew	TR	6	0%	—
MDISA SSA Fleet Race	Crew	A	3	8.0	+0.10
MDISA DC Sail T2 Fleet Race	Crew	B	3	4.7	+0.11
MDISA BCSC Tier 2 September Regatta	Crew	A, B	4	7.0	+0.13

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.