Session Details
Theo Haarsma
Thursday 4 June 2026
GPS
COROS VERTIX 2
Average speed
34.54 kts (36.01 34.51 34.33 34.08 33.76)
100m
37.21 kts
250m
35.16 kts
500m
31.59 kts
½ hour
8.94 kts
Hour
7.6 kts
Duration
00:40:18
Naut. Mile
0 kts
Alpha
0 kts
Distance
18.58 km
Wind
26 knots
Gust
34 knots
Direction
SW ( 270)
Het hoofd leegvaren lukte niet helemaal maar evenzogoed was het een mooie surfmiddag met een hoop vrienden. Ook nog een gezellige nazit bij het Bolbaken met SuperDirk.
Filter Rankings
Day Rank - speed
| # | Rider | Avg | |
|---|---|---|---|
| 1 | Martijn Olivier | 40.02 | |
| 2 | Dirk Hacha | 39.78 | |
| 3 | Danny Verhaar | 39.17 | |
| 4 | Joost Boom | 37.43 |  |
| 5 | Stijn Pontfoort | 36.52 | |
| 6 | Edwin Littooij | 36.28 | |
| 7 | Joris Vos | 35.53 | |
| 8 | Theo Haarsma | 34.54 | |
Day Rank - speed
Avg
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Martijn Olivier | 40.02 | 42.54 | 38.38 | 17.93 | 10.52 | 50.64 | 19.78 | |
| 2 |  |
Dirk Hacha | 39.78 | 43.11 | 36.14 | 0.00 | 6.32 | 19.41 | 21.97 | |
| 3 | |
Danny Verhaar | 39.17 | 41.74 | 36.09 | 22.01 | 12.20 | 67.90 | 18.62 | |
| 4 | |
Joost Boom | 37.43 | 39.20 | 36.85 | 0.00 | 11.92 | 45.98 | 22.37 | |
| 5 | |
Stijn Pontfoort | 36.52 | 38.92 | 32.99 | 17.18 | 7.73 | 19.11 | 18.68 | |
| 6 | |
Edwin Littooij | 36.28 | 38.29 | 34.10 | 21.16 | 12.98 | 58.77 | 20.49 | |
| 7 | |
Joris Vos | 35.53 | 37.26 | 33.76 | 20.85 | 11.77 | 31.87 | 22.86 | |
| 8 | |
Theo Haarsma | 34.54 | 38.26 | 31.59 | 0.00 | 7.60 | 18.58 | 0.00 | |
Gear size range
Sail (m²)
5.8
avg 6.3
6.6
Board (W)
52
avg 59
87
Fin (cm)
23
avg 25
29
Wind Observation
| 🕐 | 6h | 7h | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h |
| ↗ | ||||||||||||||||
| kts | 15 | 15 | 15 | 17 | 17 | 16 | 17 | 18 | 19 | 20 | 20 | 22 | 22 | 22 | 21 | 21 |
| kts* | 28 | 30 | 29 | 30 | 33 | 32 | 28 | 39 | 34 | 38 | 38 | 42 | 40 | 40 | 37 | 36 |
| °C | 15° | 15° | 15° | 15° | 15° | 16° | 16° | 17° | 17° | 17° | 16° | 17° | 18° | 17° | 17° | 16° |
| Time | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||||||||
| Wind | 15 | 15 | 15 | 17 | 17 | 16 | 17 | 18 | 19 | 20 | 20 | 22 | 22 | 22 | 21 | 21 |
| Gust | 28 | 30 | 29 | 30 | 33 | 32 | 28 | 39 | 34 | 38 | 38 | 42 | 40 | 40 | 37 | 36 |
| Degrees | 203° | 203° | 203° | 203° | 203° | 203° | 225° | 225° | 225° | 225° | 225° | 248° | 248° | 248° | 248° | 248° |