Session Details

Joost Boom
Flag Joost Boom

Monday 23 February 2026

Spot Grevelingenmeer - Herkingen Netherlands
Board Fanatic Falcon 97, 2022
Sail Loftsails Racing Blade 6.9, 2022
Fin Z-fins SLM 33 S- 33
GPS COROS APEX PRO
Max 2 sec
36.15 kts
Rating
Average speed
34.27 kts (34.61 34.47 34.17 34.09 34)
100m
35.63 kts
250m
33.74 kts
500m
32.05 kts
½ hour
9.85 kts
Hour
7.36 kts
Duration
00:43:11
Naut. Mile
0 kts
Alpha
24.28 kts
Distance
25.81 km
Wind
16 knots
Gust
25 knots
Direction
WSW ( 248)

heerlijk om weer te varen!

Filter Rankings
Day Rank - speed
# Rider Avg
1 Wouter van Hilst 37.87
2 Martijn Olivier 37.65
3 Dirk Hacha 35.90
4 Joost Boom 34.27
5 Tim Aerts 34.03
6 Brahm Cornelis 33.23
7 Theo Haarsma 33.19
8 Erwin Rovers 33.19
9 Patrick Driesen 32.81
10 Patrick Driesen 32.73
Day Rank - speed
Avg
    Rider Avg 2 Sec 500m Mile Hour Distance Alpha
1 Wouter van Hilst 37.87 39.99 32.85 0.00 6.96 25.77 22.61
2 Martijn Olivier 37.65 40.33 33.03 25.18 12.76 67.31 23.00
3 Dirk Hacha 35.90 39.30 32.69 0.00 7.35 21.61 26.27
4 Joost Boom 34.27 36.15 32.05 0.00 7.36 25.81 24.28
5 Tim Aerts 34.03 37.30 28.76 0.00 5.84 21.26 0.00
6 Brahm Cornelis 33.23 35.31 29.33 20.73 14.47 45.99 21.65
7 Theo Haarsma 33.19 35.29 29.92 0.00 8.20 18.58 0.00
8 Erwin Rovers 33.19 37.24 29.56 24.02 11.64 39.35 23.19
9 Patrick Driesen 32.81 35.58 27.80 0.00 8.55 21.23 22.72
10 Patrick Driesen 32.73 35.64 27.77 0.00 8.60 21.27 22.77

Gear size range

Sail (m²)
5.8 avg 6.7 7.4
Board (W)
60 avg 84 117
Fin (cm)
30 avg 32 38
Wind Observation
🕐9h10h11h12h13h14h15h16h17h18h19h
↗
kts1616192121212523211819
kts*2635392837424137353634
°C7°9°9°9°10°10°10°10°10°10°10°
Time910111213141516171819
Direction
Wind1616192121212523211819
Gust2635392837424137353634
Degrees

248°

248°

248°

248°

248°

248°

270°

270°

270°

248°

248°

Session Achievements
Category Speed Type Speed
BestYear
 alpha racing 24.28knots