Event Page
Robert Marc Landstra
Tuesday 5 August 2025
Board -
i-99 World Cup Slalom 109, 2019 
Sail -
Point-7 AC-Z 6.4, 2022
GPS -
COROS VERTIX
Max 2 sec
32.2 knots
Rating
Average speed
30.99 knots (31.32 31.17 30.94 30.82 30.7)
100m
31.74 knots
250m
31.31 knots
500m
29.65 knots
500m
29.65 knots
1/2 hour
10.47 knots
1/2 hour
10.47 knots
Hour
9.35 knots
Duration
01:11:31
Hour
9.35 knots
Duration
01:11:31
Nautical Mile
0 knots
Alpha racing
0 knots
Distance
31.07 km
31.07 km
Wind Speed
10 knots
Wind direction
W ( 270)
Beetje buiig, maar heerlijk gevaren!
🏆 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 | Paul Salomons | 36.38 |
|
| 2 | Wessel Douma | 36.29 |
|
| 3 | Albert Ruitenberg | 34.40 |
|
| 4 | Stijn de Bruin | 33.82 |
|
| 5 | Ruben Jort Landstra | 33.50 |
|
| 6 | Robert Marc Landstra | 30.99 |
|
| 7 | Tim Heeringa | 24.45 |
|
| 8 | Armin Weinreich | 21.12 |
 |
Day Rank - speed
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Paul Salomons | 36.38 |
38.93 |
36.31 |
29.64 |
17.80 |
119.54 | 0.00 |
|
| 2 | |
Wessel Douma | 36.29 |
38.24 |
35.02 |
23.39 |
11.70 |
46.68 | 24.54 |
|
| 3 | |
Albert Ruitenberg | 34.40 |
36.09 |
33.52 |
27.54 |
15.98 |
84.61 | 19.50 |
|
| 4 | |
Stijn de Bruin | 33.82 |
35.53 |
33.30 |
28.23 |
16.01 |
60.36 | 21.12 |
|
| 5 | |
Ruben Jort Landstra | 33.50 |
35.74 |
32.91 |
28.86 |
16.16 |
42.56 | 22.29 |
|
| 6 | |
Robert Marc Landstra | 30.99 |
32.20 |
29.65 |
0.00 |
9.35 |
31.07 | 0.00 |
|
| 7 | |
Tim Heeringa | 24.45 |
25.94 |
24.13 |
18.01 |
9.96 |
26.52 | 14.55 |
|
| 8 |  |
Armin Weinreich | 21.12 |
22.40 |
19.90 |
16.67 |
12.68 |
56.41 | 15.47 |
|
Wind Observation
| 🕐 | 7h | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h |
| ↗ | |||||||||||||||
| kts | 19 | 17 | 14 | 16 | 17 | 19 | 17 | 19 | 19 | 19 | 23 | 19 | 19 | 12 | 19 |
| kts* | 26 | 27 | 25 | 28 | 28 | 30 | 31 | 30 | 33 | 33 | 32 | 45 | 25 | 32 | 22 |
| °C | 16° | 17° | 17° | 18° | 19° | 18° | 18° | 18° | 18° | 19° | 18° | 18° | 18° | 17° | 18° |
| Time | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | |||||||||||||||
| Wind | 19 | 17 | 14 | 16 | 17 | 19 | 17 | 19 | 19 | 19 | 23 | 19 | 19 | 12 | 19 |
| Gust | 26 | 27 | 25 | 28 | 28 | 30 | 31 | 30 | 33 | 33 | 32 | 45 | 25 | 32 | 22 |
| Degrees | 293° | 270° | 270° | 270° | 270° | 270° | 270° | 270° | 270° | 270° | 270° | 293° | 270° | 270° | 293° |
Session Achievements
| Category | Speed Type | Speed |
|---|---|---|
BestAllTime |
avg | 30.99knots |
BestspotAllTime |
avg | 30.99knots |