Session Details
Johan Bulthuis
Sunday 22 February 2026
GPS
Locosys GT-31
Average speed
33.6 kts (34.37 33.49 33.42 33.4 33.34)
100m
35.68 kts
250m
33.27 kts
500m
32.11 kts
½ hour
14.29 kts
Hour
11.72 kts
Duration
01:43:29
Naut. Mile
26.09 kts
Alpha
19.05 kts
Distance
53.45 km
Wind
10 knots
Gust
20 knots
Direction
SW ( 225)
Eerst met de 107 het water op gegaan. Ik had de Tribal vin die gister onthoofd was bijgewerkt en gebruikt, helaas kreeg ik last van spinouts tijdens de run. Om mijn nieuwe finish fast 36 niet op te overren aan de bodem ge-switcht van board. Weer een prachtige sessie
Filter Rankings
Day Rank - speed
| # | Rider | Avg | |
|---|---|---|---|
| 1 | Gerlof Hansma | 37.88 | |
| 2 | Rob de Jong | 37.17 | |
| 3 | Johan Gelling | 33.91 | |
| 4 | Johan Bulthuis | 33.60 | |
| 5 | Eric Kamminga | 32.90 | |
| 6 | Peter Kuiter | 31.95 | |
| 7 | Martijn Mobach | 31.11 | |
Day Rank - speed
Avg
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Gerlof Hansma | 37.88 | 39.30 | 35.75 | 25.43 | 19.14 | 75.37 | 19.05 | |
| 2 | |
Rob de Jong | 37.17 | 40.46 | 36.00 | 29.33 | 15.24 | 56.81 | 18.88 | |
| 3 | |
Johan Gelling | 33.91 | 36.12 | 31.81 | 22.68 | 14.83 | 50.73 | 18.45 | |
| 4 | |
Johan Bulthuis | 33.60 | 36.91 | 32.11 | 26.09 | 11.72 | 53.45 | 19.05 | |
| 5 | |
Eric Kamminga | 32.90 | 35.51 | 31.76 | 25.40 | 11.00 | 45.23 | 17.63 | |
| 6 | |
Peter Kuiter | 31.95 | 33.41 | 31.74 | 24.33 | 12.18 | 34.99 | 0.00 | |
| 7 | |
Martijn Mobach | 31.11 | 33.48 | 28.45 | 25.38 | 14.27 | 40.75 | 17.34 | |
Gear size range
Sail (m²)
6.3
avg 6.5
7.0
Board (W)
63
avg 91
99
Fin (cm)
29
avg 31
32
Wind Observation
| 🕐 | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h |
| ↗ | ||||||||||
| kts | 16 | 18 | 17 | 17 | 18 | 21 | 19 | 20 | 20 | 19 |
| kts* | 35 | 25 | 35 | 35 | 37 | 25 | 34 | 37 | 40 | 30 |
| °C | 7° | 8° | 7° | 7° | 7° | 7° | 7° | 8° | 8° | 7° |
| Time | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||
| Wind | 16 | 18 | 17 | 17 | 18 | 21 | 19 | 20 | 20 | 19 |
| Gust | 35 | 25 | 35 | 35 | 37 | 25 | 34 | 37 | 40 | 30 |
| Degrees | 248° | 248° | 248° | 225° | 225° | 248° | 270° | 248° | 248° | 248° |