Concussion
#633Olson 30 · 202 · SSS
859
-10±53
Overall Rank
#633
of 1169
Percentile
Top 54%
of 1169 boats
Rating
859
Confidence
±53
High
Races
27
Recent Form
-16
avg last 5 races
Last raced: May 3, 2026
Rating Over Time
964-226Direct Competitors
Boats Concussion has raced against most often, with head-to-head finish record.
Ahi30980
Santana 35 · Rating 933
9–4–2
69% wins · 15 races
Hang 2048
Express 27 · Rating 774
11–4
73% wins · 15 races
Sea Star38022
Cal 39 · Rating 918
9–2–3
82% wins · 14 races
Green Buffalo8538
Cal 40 · Rating 825
5–7–2
42% wins · 14 races
Ferox6
Pogo 36 · Rating 982
2–8–3
20% wins · 13 races
Twist28442
J/120 · Rating 806
7–2–3
78% wins · 12 races
Yeti38
Express 27 · Rating 799
5–5–2
50% wins · 12 races
Mirthmaker18250
A 35 · Rating 933
7–5
58% wins · 12 races
Race History
28 racesThe Great Vallejo Race · R2
May 3, 2026/3 of 5
-10
964
The Great Vallejo Race · R1
May 2, 2026/4 of 5
-9
974
Three Bridge Fiasco
Jan 28, 2023/135 of 256
+20
984
Three Bridge Fiasco
Jan 29, 2022/DNF
-60
964
OYRA Series · R8
Aug 29, 2021/DNF
-20
1024
Drakes Bay Races · R2
Aug 29, 2021/DNF
-6
1044
Drakes Bay Races · R12
Aug 29, 2021/DNF
-24
1051
OYRA Series · R7
Aug 28, 2021/DNF
0
1075
Drakes Bay Races · R11
Aug 28, 2021/DNF
0
1075
Drakes Bay Races · R1
Aug 28, 2021/DNF
0
1075
OYRA Series · R2
May 22, 2021/3 of 9
+9
1075
OYRA Series · R11
May 22, 2021/3 of 9
+10
1066
Singlehanded Farallones Race
May 15, 2021/DNF
-17
1056
OYRA Series · R10
Apr 17, 2021/5 of 9
-25
1073
OYRA Series · R1
Apr 17, 2021/5 of 8
-29
1099
Round the Rocks
Mar 27, 2021/47 of 118
-2
1128
(Rescheduled) 41st Annual Doublehanded Farallones Race
Sep 19, 2020/6 of 8
-59
1130
OYRA Series · R8
Aug 25, 2019/1 of 5
+19
1189
OYRA Series · R7
Aug 24, 2019/1 of 5
+26
1171
Gracie & George
Aug 18, 2019/7 of 13
-123
1145
| Date | Regatta | Place | Rating After | Change |
|---|---|---|---|---|
| May 3, 2026 | The Great Vallejo Race · R2 | 3 / 5 | 964 | -10 |
| May 2, 2026 | The Great Vallejo Race · R1 | 4 / 5 | 974 | -9 |
| Jan 28, 2023 | Three Bridge Fiasco | 135 / 256 | 984 | +20 |
| Jan 29, 2022 | Three Bridge Fiasco | DNF / 235 | 964 | -60 |
| Aug 29, 2021 | OYRA Series · R8 | DNF / 6 | 1024 | -20 |
| Aug 29, 2021 | Drakes Bay Races · R2 | DNF / 6 | 1044 | -6 |
| Aug 29, 2021 | Drakes Bay Races · R12 | DNF / 21 | 1051 | -24 |
| Aug 28, 2021 | OYRA Series · R7 | DNF / 4 | 1075 | 0 |
| Aug 28, 2021 | Drakes Bay Races · R11 | DNF / 21 | 1075 | 0 |
| Aug 28, 2021 | Drakes Bay Races · R1 | DNF / 6 | 1075 | 0 |
| May 22, 2021 | OYRA Series · R2 | 3 / 9 | 1075 | +9 |
| May 22, 2021 | OYRA Series · R11 | 3 / 9 | 1066 | +10 |
| May 15, 2021 | Singlehanded Farallones Race | DNF / 38 | 1056 | -17 |
| Apr 17, 2021 | OYRA Series · R10 | 5 / 9 | 1073 | -25 |
| Apr 17, 2021 | OYRA Series · R1 | 5 / 8 | 1099 | -29 |
| Mar 27, 2021 | Round the Rocks | 47 / 118 | 1128 | -2 |
| Sep 19, 2020 | (Rescheduled) 41st Annual Doublehanded Farallones Race | 6 / 8 | 1130 | -59 |
| Aug 25, 2019 | OYRA Series · R8 | 1 / 5 | 1189 | +19 |
| Aug 24, 2019 | OYRA Series · R7 | 1 / 5 | 1171 | +26 |
| Aug 18, 2019 | Gracie & George | 7 / 13 | 1145 | -123 |
About the Rating
Ratings are computed using Glicko-2, a chess-style system that considers who you beat and who beat you. Winning against higher-rated boats earns more points than beating lower-rated boats.
The overall rank compares this boat to all others across every class. To see how it stacks up within its class, use the “View all Olson 30” link above.
The confidence band (±53) shows how certain we are about this rating. It narrows as more races are completed and widens during periods of inactivity.
The shaded area on the chart represents the 95% confidence interval — the true skill of this boat likely falls within that range.