Session Details

Martin Koolma
Thursday 12 March 2026
GPS
ESP-GPS
Average speed
30.89 kts (31.22 31.15 31.04 30.63 30.42)
100m
31.82 kts
250m
30.88 kts
500m
29.92 kts
½ hour
12.99 kts
Hour
9.86 kts
Duration
00:51:29
Naut. Mile
22.98 kts
Alpha
17.3 kts
Distance
23.92 km
Wind
18 knots
Gust
29 knots
Direction
SSW ( 203)
Sessie twee van dit jaar, lekker gevaren, al was de kracht er vrij snel uit.
Filter Rankings
Day Rank - speed
| # | Rider | Avg | |
|---|---|---|---|
| 1 | Eric Kamminga | 32.86 | |
| 2 | Hans Prins | 31.79 | |
| 3 | Richard Hilgers | 31.59 | |
| 4 | Martin Koolma | 30.89 | |
| 5 | Peter Kuiter | 29.32 | |
| 6 | Dennis Metaal | 28.50 |
Day Rank - speed
Avg
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Eric Kamminga | 32.86 | 34.30 | 31.63 | 22.81 | 11.21 | 38.13 | 13.69 | ||
| 2 | Hans Prins | 31.79 | 34.00 | 29.24 | 20.39 | 12.41 | 52.86 | 16.28 | ||
| 3 | Richard Hilgers | 31.59 | 33.14 | 29.65 | 24.26 | 12.17 | 50.57 | 0.00 | ||
| 4 | Martin Koolma | 30.89 | 32.37 | 29.92 | 22.98 | 9.86 | 23.92 | 17.30 | ||
| 5 | Peter Kuiter | 29.32 | 31.15 | 26.86 | 20.43 | 11.39 | 37.63 | 14.12 | ||
| 6 | Dennis Metaal | 28.50 | 29.98 | 27.31 | 22.25 | 6.87 | 24.30 | 18.22 |
Gear size range
Sail (m²)
6.5
avg 6.6
7.0
Board (W)
67
avg 91
98
Fin (cm)
32
avg 34
37
Wind Observation
| 🕐 | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h |
| ↗ | ||||||||||||
| kts | 8 | 9 | 11 | 16 | 16 | 18 | 21 | 21 | 19 | 23 | 20 | 18 |
| kts* | 8 | 9 | 11 | 16 | 16 | 18 | 21 | 32 | 29 | 35 | 30 | 18 |
| °C | 4° | 4° | 6° | 8° | 9° | 10° | 11° | 11° | 11° | 12° | 12° | 11° |
| Time | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||||
| Wind | 8 | 9 | 11 | 16 | 16 | 18 | 21 | 21 | 19 | 23 | 20 | 18 |
| Gust | 8 | 9 | 11 | 16 | 16 | 18 | 21 | 32 | 29 | 35 | 30 | 18 |
| Degrees | 203° | 203° | 203° | 203° | 203° | 203° | 203° | 203° | 203° | 203° | 203° | 203° |