Grosse Ile High School '25
How much better or worse boats do with this sailor crewing than their skipper's rating predicts, shown on the skipper scale so crews can be lined up across teams. Percentiles compare against rostered crews that season (league) or teammates (team).
How crew ratings work →Crew effect over their whole career, not scaled to a team: 7.29 percentile among ISSA crews with 30+ races. Uncertainty ±0.102 rating points from 69 races with rated skippers.
How crew ratings work →Includes linked high school and college seasons.
| Season | Team | Rating | Range | League percentile |
Team percentile |
On team | Races | Team page |
|---|---|---|---|---|---|---|---|---|
| Fall 2024 | Grosse IIe High School | -0.89 | 12.10 | 50.00 | 2 of 3 | 11 | Team page | |
| Spring 2024 | East Lansing High School | -0.96 | 9.51 | 12.50 | 4 of 4 | 16 | Team page | |
| Spring 2023 | West Bloomfield High School | -0.91 | 9.59 | 16.67 | 8 of 9 | 12 | – | |
| Fall 2022 | Grosse IIe High School | -1.02 | 7.21 | 7.14 | 7 of 7 | 12 | Team page |
Each discipline has its own scale, built from the sailor's main rating and their results in that discipline. The numbers are not comparable with the main rating or with each other.
How these ratings work →| Discipline | Rating | Rank | Races | Last raced |
|---|---|---|---|---|
| Singlehanded | -0.50 | 311 of 337 | 12 | Fall 2024 |
| Regatta | Role | Div | Races | Avg | Rating |
|---|---|---|---|---|---|
| Fall 2024 Team page Season | |||||
| Wooden Shoe Tier 3 | Crew | A | 4 | 10.0 | — |
| PYC #1 | Crew | A | 9 | 18.2 | — |
| 2024 Turkey Leg Regatta | Skipper | A | 3 | 15.3 | -1.94 |
| 2024 Cornwell Memorial Invitational | Skipper | A | 7 | 10.7 | -0.56 |
| 2024 Cider Cup | Skipper | B | 7 | 6.6 | 0.03 |
| Fall 2023 Team page Season | |||||
| Foundry Tier 3 Regatta Halloween | Skipper | A | 7 | 15.6 | -3.19 |
| Fall 2022 Team page Season | |||||
| Turkey Leg Regatta - 2022 | Crew | A | 4 | 12.8 | — |
| Pat S Parker Halloween Regatta | Skipper | B | 4 | 6.0 | 0.79 |
| October Fun PYC | Skipper | A | 7 | 3.9 | 0.26 |
| Grosse Ile High School Regatta | Crew | A | 8 | 2.6 | — |
| League | Name | School | Year |
|---|---|---|---|
| ISSA | Michael Butcher |  Trenton High School |
'25 |
| ISSA | Michael Butcher |  East Lansing High School |
'25 |
| ISSA | Michael Butcher |  Birmingham Public Schools |
'25 |
| ISSA | Michael Butcher |  Brother Rice/Marian High School - MI |
'25 |
| ISSA | Michael Butcher |  West Bloomfield High School |
'25 |
| ISSA | Michael Butcher |  Groves High School |
'25 |
Short write-ups of what the ratings and results show, with the numbers and how they were computed.
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