Event Page
Roy van der Sluis
Friday 12 September 2025
Board -
Tabou Manta 71, 2016 
Sail -
GA-sails vapor 7.1, 2017
Fin -
Tribal Fin Weed Speed 35 
GPS -
Motion
Max 2 sec
31.47 knots
Rating
Average speed
30.14 knots (30.53 30.27 30.13 29.91 29.87)
100m
30.88 knots
250m
30.03 knots
500m
28.41 knots
500m
28.41 knots
1/2 hour
12.06 knots
1/2 hour
12.06 knots
Hour
11.41 knots
Duration
01:35:28
Hour
11.41 knots
Duration
01:35:28
Nautical Mile
21.09 knots
Alpha racing
18.68 knots
Distance
44.23 km
44.23 km
Wind Speed
10 knots
Wind direction
S ( 180)
🏆 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 | Sander van Huizen | 37.22 |
|
| 2 | Kees Heuvelman | 35.65 |
|
| 3 | Robert Mulder | 34.79 |
|
| 4 | Richard Lutter | 33.81 |
|
| 5 | Pieter Rietveld | 33.75 |
|
| 6 | Harm Jaap de Witt | 33.62 |
|
| 7 | René van der Weijde | 32.81 |
|
| 8 | Eric Wind | 32.42 |
|
| 9 | Jos Voormolen | 31.15 |
|
| 10 | Roy van der Sluis | 30.14 |
|
Day Rank - speed
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Sander van Huizen | 37.22 |
39.64 |
35.14 |
0.00 |
7.35 |
25.83 | 0.00 |
|
| 2 | |
Kees Heuvelman | 35.65 |
37.17 |
34.25 |
0.00 |
8.10 |
20.23 | 0.00 |
|
| 3 | |
Robert Mulder | 34.79 |
37.09 |
33.52 |
0.00 |
9.19 |
26.96 | 0.00 |
|
| 4 | |
Richard Lutter | 33.81 |
35.15 |
32.13 |
0.00 |
6.84 |
22.91 | 0.00 |
|
| 5 | |
Pieter Rietveld | 33.75 |
35.09 |
33.48 |
0.00 |
8.39 |
21.41 | 18.37 |
|
| 6 | |
Harm Jaap de Witt | 33.62 |
35.19 |
33.00 |
27.42 |
12.25 |
31.93 | 23.48 |
|
| 7 | |
René van der Weijde | 32.81 |
34.85 |
32.03 |
22.81 |
14.40 |
54.38 | 19.68 |
|
| 8 | |
Eric Wind | 32.42 |
33.92 |
31.99 |
0.00 |
0.00 |
13.34 | 0.00 |
|
| 9 | |
Jos Voormolen | 31.15 |
33.16 |
29.79 |
12.08 |
8.55 |
30.05 | 15.90 |
|
| 10 | |
Roy van der Sluis | 30.14 |
31.47 |
28.41 |
21.09 |
11.41 |
44.23 | 18.68 |
|
Wind Observation
| 🕐 | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h |
| ↗ | ||||||||||||
| kts | 15 | 12 | 16 | 20 | 17 | 20 | 19 | 12 | 19 | 17 | 17 | 14 |
| kts* | 30 | 17 | 28 | 36 | 24 | 30 | 32 | 17 | 28 | 24 | 24 | 19 |
| °C | 12° | 14° | 14° | 16° | 17° | 18° | 17° | 15° | 18° | 17° | 18° | 17° |
| Time | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||||
| Wind | 15 | 12 | 16 | 20 | 17 | 20 | 19 | 12 | 19 | 17 | 17 | 14 |
| Gust | 30 | 17 | 28 | 36 | 24 | 30 | 32 | 17 | 28 | 24 | 24 | 19 |
| Degrees | 225° | 203° | 203° | 225° | 225° | 225° | 225° | 225° | 248° | 248° | 225° | 225° |
Session Achievements
| Category | Speed Type | Speed |
|---|---|---|
BestAllTime |
avg | 30.14knots |
BestspotAllTime |
avg | 30.14knots |