Tilly Niemann

Career: 85.69 percentile of ICSA crews

Includes linked high school and college seasons.

▲ 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 2024	Arrowhead High School	1.45		74.79	50.00	3 of 5	12	Team page
Fall 2023	Arrowhead High School	1.57		79.39	50.00	4 of 7	10	Team page

Regatta	Role	Div	Races	Avg	Rating
Spring 2026 Team page Season
MISSA NW Mallory Prequalifier @ Sheboygan	Skipper	B	8	5.6	0.32
MISSA Mallory Qualifier 2026	Skipper	B	17	5.9	2.19
2026 ISSA Phebe Corckran King Memorial Trophy	Skipper	B	12	10.0	1.61
Fall 2025 Team page Season
PCISA ISSA National All Girls Invitational	Skipper	B	9	8.9	2.25
MISSA West Great Oaks Qualifier	Crew	A	14	1.9	+1.22
MISSA Girls Championship 2025	Skipper	B	15	2.7	1.86

League	Name	School	Year
ISSA	Tilly Niemann	Pewaukee High School	'28
ISSA	Tilly Niemann	Arrowhead High School	'28

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.