Ronstan
DinghyHYDROFOIL KITE · 50 · StFYC
784
-25±93
Overall Rank
—
Dinghy
Percentile
—
Dinghy
Rating
784
Confidence
±93
High
Races
42
Recent Form
-16
avg last 5 races
Last raced: Aug 29, 2025
Rating Over Time
970+196Direct Competitors
Boats Ronstan has raced against most often, with head-to-head finish record.
Alana Kai7
— · Rating 976
19–0
100% wins · 19 races
Tajima Direct3
— · Rating 1325
1–9–8
10% wins · 18 races
Ripper76
— · Rating 1053
6–11
35% wins · 17 races
Chelonia2
— · Rating 300
16–0
100% wins · 16 races
PPC Foiling / America One Racing33
— · Rating 1425
6–9–1
40% wins · 16 races
Ding72
— · Rating 1128
13–0–2
100% wins · 15 races
HMS Monsignor DeuxCAN 41
— · Rating 721
13–1
93% wins · 14 races
Ronstan 14
Hydrofoil Kite · Rating 902
1–0–13
100% wins · 14 races
Race History
16 racesRONSTAN Bridge to Bridge
Aug 29, 2025/9 of 8
-25
970
RONSTAN Bridge to Bridge
Aug 30, 2024/6 of 11
-16
995
San Francisco Bay Challenge
Aug 10, 2024/30 of 36
-21
1011
SF Classic & UN Challenge
Jul 27, 2024/4 of 9
+9
1032
Ronstan Bridge to Bridge Race
Aug 26, 2022/5 of 5
-27
1024
SF Classic / UN Challenge · R5
Jul 24, 2022/5 of 12
-21
1051
SF Classic / UN Challenge · R4
Jul 24, 2022/3 of 10
+24
1072
SF Classic / UN Challenge · R3
Jul 24, 2022/4 of 14
+7
1049
SF Classic / UN Challenge · R2
Jul 24, 2022/3 of 11
+53
1041
SF Classic / UN Challenge · R1
Jul 24, 2022/3 of 13
+69
989
SF Classic / UN Challenge · R6
Jul 24, 2021/4 of 4
+57
919
SF Classic / UN Challenge · R5
Jul 24, 2021/2 of 4
+88
862
SF Classic / UN Challenge · R4
Jul 24, 2021/4 of 4
-44
774
SF Classic / UN Challenge · R3
Jul 24, 2021/3 of 5
+44
818
SF Classic / UN Challenge · R2
Jul 24, 2021/4 of 4
0
774
SF Classic / UN Challenge · R1
Jul 24, 2021/5 of 4
0
774
| Date | Regatta | Place | Rating After | Change |
|---|---|---|---|---|
| Aug 29, 2025 | RONSTAN Bridge to Bridge | 9 / 8 | 970 | -25 |
| Aug 30, 2024 | RONSTAN Bridge to Bridge | 6 / 11 | 995 | -16 |
| Aug 10, 2024 | San Francisco Bay Challenge | 30 / 36 | 1011 | -21 |
| Jul 27, 2024 | SF Classic & UN Challenge | 4 / 9 | 1032 | +9 |
| Aug 26, 2022 | Ronstan Bridge to Bridge Race | 5 / 5 | 1024 | -27 |
| Jul 24, 2022 | SF Classic / UN Challenge · R5 | 5 / 12 | 1051 | -21 |
| Jul 24, 2022 | SF Classic / UN Challenge · R4 | 3 / 10 | 1072 | +24 |
| Jul 24, 2022 | SF Classic / UN Challenge · R3 | 4 / 14 | 1049 | +7 |
| Jul 24, 2022 | SF Classic / UN Challenge · R2 | 3 / 11 | 1041 | +53 |
| Jul 24, 2022 | SF Classic / UN Challenge · R1 | 3 / 13 | 989 | +69 |
| Jul 24, 2021 | SF Classic / UN Challenge · R6 | 4 / 4 | 919 | +57 |
| Jul 24, 2021 | SF Classic / UN Challenge · R5 | 2 / 4 | 862 | +88 |
| Jul 24, 2021 | SF Classic / UN Challenge · R4 | 4 / 4 | 774 | -44 |
| Jul 24, 2021 | SF Classic / UN Challenge · R3 | 3 / 5 | 818 | +44 |
| Jul 24, 2021 | SF Classic / UN Challenge · R2 | 4 / 4 | 774 | 0 |
| Jul 24, 2021 | SF Classic / UN Challenge · R1 | 5 / 4 | 774 | 0 |
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 HYDROFOIL KITE” link above.
The confidence band (±93) 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.