Session Details
Mark Oosterhuis
Wednesday 15 July 2026
GPS
COROS VERTIX 2
Average speed
28.28 kts (29.03 28.74 28.3 27.78 27.55)
100m
29.16 kts
250m
28.94 kts
500m
27.19 kts
½ hour
11.34 kts
Hour
6.08 kts
Duration
01:04:51
Naut. Mile
20.32 kts
Alpha
20.08 kts
Distance
29.6 km
Wind
10 knots
Gust
14 knots
Direction
NNE ( 23)
Weer heerlijk in de zon streepjes trekken op horst. Omdat m’n modena 72 gehandicapt bij Telstar ligt op de JP Slalom 82 gevaren. Niet de juiste fin eronder dus de snelheid was er niet. Toch lol gehad en gezellig met iedereen op het water.
Filter Rankings
Day Rank - speed
| # | Rider | Avg | |
|---|---|---|---|
| 1 | Kees Heuvelman | 32.50 | |
| 2 | Pieter Rietveld | 31.60 | |
| 3 | Harald de Rooij | 30.88 | |
| 4 | Marcel Mulder | 29.46 |  |
| 5 | Mark Oosterhuis | 28.28 | |
| 6 | Walter te kloese | 28.17 | |
| 7 | Marijn Rijswijk | 28.14 | |
| 8 | Peter Vernet | 27.72 | |
| 9 | André Oost | 27.08 | |
| 10 | Henk van de Hoef | 26.19 | |
Day Rank - speed
Avg
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Kees Heuvelman | 32.50 | 34.18 | 31.95 | 17.72 | 10.80 | 39.89 | 14.46 | |
| 2 | |
Pieter Rietveld | 31.60 | 32.51 | 30.42 | 16.47 | 12.62 | 55.91 | 11.13 | |
| 3 | |
Harald de Rooij | 30.88 | 32.16 | 28.64 | 0.00 | 11.49 | 38.46 | 0.00 | |
| 4 | |
Marcel Mulder | 29.46 | 30.71 | 26.90 | 13.82 | 6.35 | 30.96 | 7.48 | |
| 5 | |
Mark Oosterhuis | 28.28 | 29.52 | 27.19 | 20.32 | 6.08 | 29.60 | 20.08 | |
| 6 | |
Walter te kloese | 28.17 | 29.60 | 27.24 | 20.83 | 11.12 | 46.05 | 15.73 | |
| 7 | |
Marijn Rijswijk | 28.14 | 29.69 | 26.38 | 19.31 | 9.58 | 43.92 | 15.46 | |
| 8 | |
Peter Vernet | 27.72 | 28.92 | 26.58 | 24.24 | 16.30 | 51.45 | 17.34 | |
| 9 | |
André Oost | 27.08 | 28.29 | 26.30 | 22.85 | 15.21 | 51.35 | 22.00 | |
| 10 | |
Henk van de Hoef | 26.19 | 27.52 | 24.34 | 12.47 | 7.96 | 18.66 | 9.89 | |
Gear size range
Sail (m²)
6.7
avg 8.4
9.6
Board (W)
77
avg 110
130
Fin (cm)
30
avg 38
45
Wind Observation
| 🕐 | 6h | 7h | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h |
| ↗ | ||||||||||||||||
| kts | 8 | 8 | 9 | 10 | 11 | 10 | 12 | 12 | 12 | 12 | 13 | 13 | 16 | 15 | 12 | 14 |
| kts* | 11 | 15 | 17 | 14 | 18 | 18 | 17 | 21 | 23 | 17 | 21 | 28 | 22 | 24 | 24 | 19 |
| °C | 16° | 17° | 19° | 21° | 22° | 24° | 26° | 26° | 27° | 26° | 29° | 29° | 28° | 26° | 26° | 25° |
| Time | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||||||||
| Wind | 8 | 8 | 9 | 10 | 11 | 10 | 12 | 12 | 12 | 12 | 13 | 13 | 16 | 15 | 12 | 14 |
| Gust | 11 | 15 | 17 | 14 | 18 | 18 | 17 | 21 | 23 | 17 | 21 | 28 | 22 | 24 | 24 | 19 |
| Degrees | 45° | 45° | 45° | 45° | 45° | 68° | 68° | 45° | 68° | 68° | 45° | 45° | 45° | 45° | 45° | 45° |