Session Details
Johan Bulthuis
Tuesday 9 June 2026
GPS
Locosys GT-31
Average speed
32.04 kts (33.4 33.16 31.78 30.99 30.88)
100m
34 kts
250m
33.11 kts
500m
31.05 kts
½ hour
15.34 kts
Hour
14.15 kts
Duration
02:10:04
Naut. Mile
26.9 kts
Alpha
18.64 kts
Distance
56.79 km
Wind
0 knots
Gust
0 knots
Direction
W ( 270)
De omstandigheden veranderde vaak. Ben begonnen met mijn 7.5 zeil maar had het gevoel dat een 6.5 de betere keus was door de ervaring van afgelopen zondag. Dit bleek te kloppen, de set liep veel mooier met de 6.5. vele windgaten was het wel geluk hebben een vlaag te pakken.
Filter Rankings
Day Rank - speed
| # | Rider | Avg | |
|---|---|---|---|
| 1 | Bram Kloosterman | 33.29 | |
| 2 | Johan Bulthuis | 32.04 | |
| 3 | Pieter Hamstra | 31.91 | |
| 4 | Martin Koolma | 31.81 | |
| 5 | Marcus Stevens | 30.96 | |
| 6 | Ivo Fellinger | 30.80 | |
| 7 | Benjamin de Bie | 30.30 | |
| 8 | Gosse Visser | 28.68 | |
Day Rank - speed
Avg
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Bram Kloosterman | 33.29 | 35.63 | 31.68 | 25.18 | 14.34 | 59.48 | 17.74 | |
| 2 | |
Johan Bulthuis | 32.04 | 34.57 | 31.05 | 26.90 | 14.15 | 56.79 | 18.64 | |
| 3 | |
Pieter Hamstra | 31.91 | 34.52 | 30.21 | 20.78 | 12.33 | 47.50 | 16.17 | |
| 4 | |
Martin Koolma | 31.81 | 33.69 | 30.16 | 25.27 | 16.80 | 75.47 | 19.94 | |
| 5 | |
Marcus Stevens | 30.96 | 33.22 | 29.49 | 26.49 | 16.71 | 69.02 | 21.68 | |
| 6 | |
Ivo Fellinger | 30.80 | 32.17 | 29.65 | 23.12 | 13.47 | 57.12 | 13.45 | |
| 7 | |
Benjamin de Bie | 30.30 | 31.93 | 27.82 | 23.74 | 15.96 | 51.48 | 18.29 | |
| 8 | |
Gosse Visser | 28.68 | 29.60 | 27.67 | 22.93 | 10.23 | 46.32 | 14.36 | |
Gear size range
Sail (m²)
6.5
avg 7.6
8.5
Board (W)
72
avg 112
128
Fin (cm)
37
avg 39
42
Wind Observation
| 🕐 | 6h | 7h | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h |
| ↗ | ||||||||||||||||
| kts | 11 | 11 | 10 | 12 | 12 | 16 | 17 | 18 | 18 | 19 | 19 | 18 | 18 | 17 | 15 | 13 |
| kts* | 18 | 20 | 18 | 21 | 21 | 25 | 27 | 29 | 29 | 32 | 31 | 31 | 31 | 26 | 26 | 21 |
| °C | 15° | 14° | 14° | 14° | 15° | 16° | 16° | 15° | 15° | 16° | 16° | 16° | 14° | 13° | 15° | 13° |
| Time | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||||||||
| Wind | 11 | 11 | 10 | 12 | 12 | 16 | 17 | 18 | 18 | 19 | 19 | 18 | 18 | 17 | 15 | 13 |
| Gust | 18 | 20 | 18 | 21 | 21 | 25 | 27 | 29 | 29 | 32 | 31 | 31 | 31 | 26 | 26 | 21 |
| Degrees | 270° | 293° | 270° | 270° | 270° | 248° | 248° | 270° | 270° | 248° | 248° | 248° | 248° | 248° | 248° | 225° |