Session Details
Gerlof Hansma
Saturday 21 February 2026
GPS
Garmin fenix 8
Average speed
34.11 kts (34.74 34.02 34 33.9 33.9)
100m
34.92 kts
250m
34.21 kts
500m
32.32 kts
½ hour
21.98 kts
Hour
19.23 kts
Duration
01:45:48
Naut. Mile
27.07 kts
Alpha
21.8 kts
Distance
63.14 km
Wind
17 knots
Gust
26 knots
Direction
WSW ( 248)
Eindelijk weer even kunnen surfen. Het voelde allemaal wat roestig aan.
Filter Rankings
Day Rank - speed
| # | Rider | Avg | |
|---|---|---|---|
| 1 | Nico Wierstra | 35.09 |  |
| 2 | Gerlof Hansma | 34.11 | |
| 3 | Bram Kloosterman | 34.04 | |
| 4 | Johan Bulthuis | 33.21 | |
| 5 | Hans Prins | 32.68 | |
| 6 | Johan Gelling | 31.74 | |
| 7 | Martijn Mobach | 31.42 | |
| 8 | Oane Kingma | 30.88 | |
| 9 | Tom Venema | 30.23 | |
| 10 | Michael Hummel | 29.96 | |
Day Rank - speed
Avg
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Nico Wierstra | 35.09 | 37.02 | 33.76 | 28.36 | 16.70 | 55.04 | 21.06 | |
| 2 | |
Gerlof Hansma | 34.11 | 35.48 | 32.32 | 27.07 | 19.23 | 63.14 | 21.80 | |
| 3 | |
Bram Kloosterman | 34.04 | 36.69 | 32.19 | 26.45 | 16.61 | 41.55 | 21.96 | |
| 4 | |
Johan Bulthuis | 33.21 | 35.86 | 31.18 | 26.60 | 14.59 | 85.53 | 21.31 | |
| 5 | |
Hans Prins | 32.68 | 34.00 | 31.23 | 27.00 | 16.22 | 78.01 | 17.08 | |
| 6 | |
Johan Gelling | 31.74 | 33.30 | 29.93 | 26.81 | 20.74 | 105.47 | 20.65 | |
| 7 | |
Martijn Mobach | 31.42 | 34.09 | 28.68 | 25.04 | 13.71 | 72.21 | 20.36 | |
| 8 | |
Oane Kingma | 30.88 | 32.93 | 30.23 | 24.20 | 14.73 | 60.04 | 19.85 | |
| 9 | |
Tom Venema | 30.23 | 32.89 | 28.16 | 25.04 | 14.50 | 53.99 | 16.10 | |
| 10 | |
Michael Hummel | 29.96 | 31.06 | 29.11 | 25.87 | 17.36 | 49.97 | 19.34 | |
Gear size range
Sail (m²)
6.5
avg 7.1
7.8
Board (W)
62
avg 99
118
Fin (cm)
32
avg 36
38
Wind Observation
| 🕐 | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h |
| ↗ | ||||||||||
| kts | 20 | 15 | 17 | 16 | 20 | 16 | 19 | 17 | 15 | 16 |
| kts* | 26 | 30 | 26 | 32 | 29 | 32 | 28 | 30 | 30 | 25 |
| °C | 5° | 6° | 6° | 7° | 8° | 7° | 7° | 7° | 7° | 7° |
| Time | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||
| Wind | 20 | 15 | 17 | 16 | 20 | 16 | 19 | 17 | 15 | 16 |
| Gust | 26 | 30 | 26 | 32 | 29 | 32 | 28 | 30 | 30 | 25 |
| Degrees | 248° | 270° | 248° | 248° | 248° | 270° | 270° | 248° | 248° | 248° |
Session Achievements
| Category | Speed Type | Speed |
|---|---|---|
BestYear |
alpha racing | 21.80knots |
BestYear |
halfhour | 21.98knots |
BestYear |
mile | 27.07knots |