Event Page
Johannes Boersma
Tuesday 8 August 2023
Board -
JP Speed/slalom 55, 2014 
Sail -
KA Sails Koncept 6.2, 2018 
Fin -
Tribal Fin Weedspeed 25 
GPS -
unknown
Max 2 sec
35.3 knots
Rating
Average speed
33.43 knots (34.79 33.44 33.01 32.97 32.94)
100m
34.95 knots
250m
34.54 knots
500m
32.66 knots
500m
32.66 knots
1/2 hour
10.59 knots
1/2 hour
10.59 knots
Hour
9.17 knots
Duration
01:13:35
Hour
9.17 knots
Duration
01:13:35
Nautical Mile
0 knots
Alpha racing
0 knots
Distance
41.13 km
41.13 km
Wind Speed
0 knots
Wind direction
W ( 270)
Weer een topmiddag!
Board was aan de kleine kant.
🏆 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 | Harald de Rooij | 36.03 |
 |
| 2 | Pieter Rietveld | 35.64 |
|
| 3 | Rob Allersma | 35.49 |
|
| 4 | Aart Veerman | 35.06 |
|
| 5 | Barry Klasens | 33.90 |
|
| 6 | Johannes Boersma | 33.43 |
|
| 7 | Albert Ponsteen | 33.41 |
|
| 8 | Ramon Breden | 31.96 |
|
| 9 | Arjen Mol | 31.64 |
|
| 10 | Kenneth Kolsteren | 31.07 |
|
Day Rank - speed
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Harald de Rooij | 36.03 |
37.90 |
34.02 |
22.59 |
12.20 |
47.45 | 0.00 |
|
| 2 | |
Pieter Rietveld | 35.64 |
37.07 |
34.63 |
20.52 |
12.78 |
79.55 | 16.60 |
|
| 3 | |
Rob Allersma | 35.49 |
36.60 |
34.25 |
19.42 |
11.59 |
76.47 | 18.06 |
|
| 4 | |
Aart Veerman | 35.06 |
37.73 |
31.46 |
0.00 |
9.93 |
54.89 | 0.00 |
|
| 5 | |
Barry Klasens | 33.90 |
35.90 |
33.94 |
0.00 |
12.02 |
61.38 | 0.00 |
|
| 6 | |
Johannes Boersma | 33.43 |
35.30 |
32.66 |
0.00 |
9.17 |
41.13 | 0.00 |
|
| 7 | |
Albert Ponsteen | 33.41 |
34.67 |
31.46 |
22.98 |
14.84 |
52.28 | 19.57 |
|
| 8 | |
Ramon Breden | 31.96 |
33.85 |
29.83 |
23.42 |
13.65 |
75.33 | 12.20 |
|
| 9 | |
Arjen Mol | 31.64 |
32.74 |
30.16 |
0.00 |
10.20 |
45.40 | 0.00 |
|
| 10 | |
Kenneth Kolsteren | 31.07 |
33.50 |
29.20 |
0.00 |
8.90 |
35.74 | 0.00 |
|
Wind Observation
| 🕐 | 7h | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h |
| ↗ | |||||||||||||||
| kts | 8 | 8 | 10 | 14 | 16 | 16 | 16 | 19 | 17 | 17 | 17 | 17 | 18 | 15 | 8 |
| kts* | 11 | 16 | 14 | 19 | 22 | 27 | 26 | 28 | 34 | 29 | 24 | 24 | 24 | 31 | 11 |
| °C | 14° | 14° | 16° | 17° | 18° | 18° | 18° | 18° | 17° | 19° | 19° | 18° | 17° | 15° | 14° |
| Time | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | |||||||||||||||
| Wind | 8 | 8 | 10 | 14 | 16 | 16 | 16 | 19 | 17 | 17 | 17 | 17 | 18 | 15 | 8 |
| Gust | 11 | 16 | 14 | 19 | 22 | 27 | 26 | 28 | 34 | 29 | 24 | 24 | 24 | 31 | 11 |
| Degrees | 248° | 248° | 270° | 270° | 270° | 270° | 270° | 270° | 270° | 270° | 270° | 270° | 270° | 293° | 270° |
Session Achievements
| Category | Speed Type | Speed |
|---|---|---|
BestAllTime |
100 | 34.95knots |
BestspotAllTime |
100 | 34.95knots |
BestAllTime |
10sec | 34.79knots |
BestspotAllTime |
10sec | 34.79knots |
BestAllTime |
250 | 34.54knots |