Event Page
Joost van Jaarsveld
Friday 6 June 2025
Board -
JP Slalom 62.5 Pro Edition, 2023 
Fin -
Tribal Fin Weedspeed 33 
GPS -
COROS VERTIX
Max 2 sec
35.49 knots
Rating
Average speed
34.08 knots (34.28 34.2 34.06 34.06 33.78)
100m
34.71 knots
250m
34.13 knots
500m
33.24 knots
500m
33.24 knots
1/2 hour
11.14 knots
1/2 hour
11.14 knots
Hour
8.67 knots
Duration
01:40:37
Hour
8.67 knots
Duration
01:40:37
Nautical Mile
0 knots
Alpha racing
0 knots
Distance
46.61 km
46.61 km
Wind Speed
18 knots
Wind direction
SW ( 225)
Wat een topsessie!! Een verbetering van mijn max 10sex en mijn AVG!! Voor de eerste keer dit jaar met mijn slalom 62 gevaren!! Dit smaakt naar meer!!
🏆 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 | Martin van Meurs | 36.91 |
|
| 2 | Robert Seinen | 35.76 |
|
| 3 | Kees Heuvelman | 35.54 |
|
| 4 | Pieter Rietveld | 34.68 |
|
| 5 | Joost van Jaarsveld | 34.08 |
|
| 6 | Edwin Roestenburg | 33.17 |
|
| 7 | Adam Bakker | 32.78 |
|
| 8 | René van der Weijde | 32.69 |
|
| 9 | Menno Koen | 31.91 |
|
| 10 | Rob Allersma | 31.65 |
|
Day Rank - speed
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Martin van Meurs | 36.91 |
38.77 |
35.75 |
0.00 |
7.56 |
33.89 | 0.00 |
|
| 2 | |
Robert Seinen | 35.76 |
38.60 |
33.83 |
0.00 |
6.19 |
26.72 | 0.00 |
|
| 3 | |
Kees Heuvelman | 35.54 |
37.53 |
34.28 |
0.00 |
8.26 |
28.32 | 0.00 |
|
| 4 | |
Pieter Rietveld | 34.68 |
35.85 |
33.45 |
0.00 |
8.40 |
26.33 | 0.00 |
|
| 5 | |
Joost van Jaarsveld | 34.08 |
35.49 |
33.24 |
0.00 |
8.67 |
46.61 | 0.00 |
|
| 6 | |
Edwin Roestenburg | 33.17 |
35.60 |
32.67 |
0.00 |
10.25 |
35.56 | 0.00 |
|
| 7 | |
Adam Bakker | 32.78 |
34.81 |
29.61 |
0.00 |
5.59 |
17.09 | 0.00 |
|
| 8 | |
René van der Weijde | 32.69 |
34.26 |
32.26 |
23.08 |
13.61 |
47.40 | 19.45 |
|
| 9 | |
Menno Koen | 31.91 |
33.45 |
31.07 |
0.00 |
11.15 |
36.10 | 16.76 |
|
| 10 | |
Rob Allersma | 31.65 |
32.85 |
30.03 |
0.00 |
7.50 |
14.39 | 7.83 |
|
Wind Observation
| 🕐 | 6h | 7h | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h |
| ↗ | ||||||||||||||||
| kts | 12 | 14 | 12 | 12 | 16 | 16 | 17 | 19 | 19 | 21 | 19 | 16 | 12 | 16 | 16 | 12 |
| kts* | 17 | 19 | 17 | 17 | 22 | 22 | 24 | 26 | 26 | 29 | 36 | 22 | 17 | 22 | 22 | 17 |
| °C | 13° | 14° | 15° | 15° | 16° | 16° | 17° | 18° | 19° | 18° | 20° | 19° | 16° | 17° | 17° | 16° |
| Time | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||||||||
| Wind | 12 | 14 | 12 | 12 | 16 | 16 | 17 | 19 | 19 | 21 | 19 | 16 | 12 | 16 | 16 | 12 |
| Gust | 17 | 19 | 17 | 17 | 22 | 22 | 24 | 26 | 26 | 29 | 36 | 22 | 17 | 22 | 22 | 17 |
| Degrees | 225° | 248° | 225° | 248° | 248° | 248° | 248° | 225° | 225° | 248° | 248° | 248° | 248° | 248° | 248° | 270° |
Session Achievements
| Category | Speed Type | Speed |
|---|---|---|
BestAllTime |
10sec | 34.28knots |
BestspotAllTime |
10sec | 34.28knots |
BestAllTime |
250 | 34.13knots |
BestspotAllTime |
250 | 34.13knots |
BestAllTime |
2sec | 35.49knots |