Session Details

Tristan Tjerks
FlagTristan Tjerks

Wednesday 20 May 2026

Spot Den Helder - Da Curve Netherlands
Board Chopper Speed slalom, 2026
Sail LoftSails Racingblade 6.6, 2026
Fin Chopper ChC 32
GPS COROS VERTIX 2
Max 2 sec
37.26 kts
Rating
Average speed
35.54 kts (36.13 35.97 35.68 35.01 34.89)
100m
36.28 kts
250m
35.74 kts
500m
33.67 kts
½ hour
18.98 kts
Hour
17.87 kts
Duration
02:01:10
Naut. Mile
27.97 kts
Alpha
21.55 kts
Distance
79.77 km
Wind
0 knots
Gust
0 knots
Direction
SW ( 270)

Somehow could not get the real speed. I always find it difficult to sail on beautiful flatwater but with mediocre wind. I prefer super high wind and Some chop, somehow that is more easy for me. Less technical skills required.


it was a lovely session in Nice weather though :-).

Filter Rankings
Day Rank - speed
# Rider Avg
1 Wouter van Hilst 37.94
2 Tim Joosten 36.46
3 Tristan Tjerks 35.54
4 Marco Bakker 35.39
Day Rank - speed
Avg
    Rider Avg 2 Sec 500m Mile Hour Distance Alpha
1 Wouter van Hilst 37.94 40.10 35.85 27.83 13.87 54.81 23.34
2 Tim Joosten 36.46 37.90 36.16 29.64 16.49 78.94 25.81
3 Tristan Tjerks 35.54 37.26 33.67 27.97 17.87 79.77 21.55
4 Marco Bakker 35.39 36.70 34.27 27.55 15.68 69.00 23.98

Gear size range

Sail (m²)
6.3 avg 6.5 6.6
Board (W)
67 avg 82 89
Fin (cm)
29 avg 31 33
Wind Observation
🕐6h7h8h9h10h11h12h13h14h15h16h17h18h19h20h21h
↗
kts16151518181719181819171819161514
kts*19282922333324353424333324302717
°C12°13°11°13°15°15°16°16°16°16°16°15°15°15°14°14°
Time6789101112131415161718192021
Direction
Wind16151518181719181819171819161514
Gust19282922333324353424333324302717
Degrees

225°

225°

203°

225°

225°

225°

225°

225°

248°

248°

248°

225°

248°

248°

225°

225°

Session Achievements
Category Speed Type Speed
BestspotAllTime
 24hour 43.07knots
BestspotAllTime
 alpha racing 21.55knots
BestYear
 alpha racing 21.55knots