Event Page
Jacob Boonstra
Sunday 10 May 2026
Board -
JP Supersport 111 PRO, 2020 
Sail -
Duotone S_Pace 6.6, 2021 
Fin -
Tribal Fin Weedspeed 34 
GPS -
COROS VERTIX 2
Max 2 sec
33.63 knots
Rating
Average speed
31.77 knots (32.99 31.86 31.62 31.19 31.18)
100m
33.42 knots
250m
32.04 knots
500m
30.88 knots
500m
30.88 knots
1/2 hour
17.19 knots
1/2 hour
17.19 knots
Hour
15.52 knots
Duration
01:57:27
Hour
15.52 knots
Duration
01:57:27
Nautical Mile
25.6 knots
Alpha racing
19.01 knots
Distance
67.14 km
67.14 km
Wind Speed
16 knots
Wind direction
N ( 0)
🏆 Today's Story
Get the full race story — see who won, by how much, who had the fastest peak and who showed the biggest improvement.
🌟 Personal Bests
Track personal bests across all speed categories. See who broke their all-time or year records and by how much.
🗺️ Run Map
See every run on an interactive map. Compare rider lines, analyse routes and discover what makes the fastest runs stand out.
Day Rank - speed
| # | Rider | Avg | |
|---|---|---|---|
| 1 | Hans Kreisel | 41.60 |
|
| 2 | Martijn Olivier | 39.63 |
|
| 3 | Jacques van der Hout | 38.88 |
|
| 4 | Danny Verhaar | 38.76 |
|
| 5 | Frank Baksteen | 37.95 |
|
| 6 | Joost Boom | 37.42 |
 |
| 7 | Raymond Stalfoort | 36.63 |
|
| 8 | Erik van Boggelen | 35.21 |
|
| 9 | Eric van Cann | 34.46 |
|
| 10 | Theo Haarsma | 34.26 |
|
Day Rank - speed
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Hans Kreisel | 41.60 |
43.09 |
38.62 |
29.57 |
14.46 |
55.90 | 20.17 |
|
| 2 | |
Martijn Olivier | 39.63 |
41.66 |
36.32 |
29.78 |
16.50 |
95.56 | 15.09 |
|
| 3 | |
Jacques van der Hout | 38.88 |
41.00 |
34.40 |
23.58 |
14.16 |
41.17 | 14.09 |
|
| 4 | |
Danny Verhaar | 38.76 |
40.92 |
36.04 |
28.61 |
16.42 |
73.94 | 0.00 |
|
| 5 | |
Frank Baksteen | 37.95 |
39.94 |
33.27 |
26.50 |
12.91 |
53.34 | 23.44 |
|
| 6 | |
Joost Boom | 37.42 |
38.60 |
34.48 |
24.65 |
16.29 |
65.09 | 19.45 |
|
| 7 | |
Raymond Stalfoort | 36.63 |
37.80 |
35.05 |
26.17 |
12.13 |
52.21 | 0.00 |
|
| 8 | |
Erik van Boggelen | 35.21 |
37.49 |
32.77 |
0.00 |
10.92 |
45.54 | 0.00 |
|
| 9 | |
Eric van Cann | 34.46 |
36.15 |
32.66 |
28.92 |
16.36 |
99.43 | 14.06 |
|
| 10 | |
Theo Haarsma | 34.26 |
37.59 |
30.66 |
23.70 |
8.85 |
24.94 | 0.00 |
|
Wind Observation
| 🕐 | 6h | 7h | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h |
| ↗ | ||||||||||||||||
| kts | 5 | 9 | 15 | 9 | 13 | 18 | 11 | 17 | 23 | 14 | 21 | 21 | 21 | 21 | 24 | 24 |
| kts* | 5 | 17 | 20 | 11 | 24 | 28 | 14 | 29 | 35 | 17 | 33 | 33 | 33 | 35 | 37 | 37 |
| °C | 10° | 11° | 12° | 13° | 14° | 14° | 15° | 14° | 15° | 16° | 14° | 14° | 17° | 12° | 11° | 12° |
| Time | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||||||||
| Wind | 5 | 9 | 15 | 9 | 13 | 18 | 11 | 17 | 23 | 14 | 21 | 21 | 21 | 21 | 24 | 24 |
| Gust | 5 | 17 | 20 | 11 | 24 | 28 | 14 | 29 | 35 | 17 | 33 | 33 | 33 | 35 | 37 | 37 |
| Degrees | 0° | 0° | 23° | 23° | 23° | 23° | 0° | 0° | 23° | 23° | 23° | 23° | 23° | 23° | 23° | 23° |
Session Achievements
| Category | Speed Type | Speed |
|---|---|---|
BestAllTime |
100 | 33.42knots |
BestspotAllTime |
100 | 33.42knots |
BestYear |
100 | 33.42knots |
BestYear |
10sec | 32.99knots |
BestYear |
24hour | 36.25knots |