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Session Details

Flag Johan Bulthuis

Thursday 12 March 2026

Spot - Markermeer - Houtribdijk Netherlands

Board - Starboard Isonic speed slalom 75, 2017

Sail - Severne Mach 7 6.5, 2024

Fin - MS-Fins X6 29-2 27

GPS - Locosys GT-31

Max 2 sec

39.19 knots

Rating

Average speed

36.54 knots (37.56 36.5 36.29 36.17 36.16)

100m

38.55 knots

250m

36.77 knots

500m

33.23 knots

500m

33.23 knots

1/2 hour

9.86 knots

1/2 hour

9.86 knots

Hour

8.45 knots

Duration

01:10:05

Hour

8.45 knots

Duration

01:10:05

Nautical Mile

32.56 knots

Alpha racing

12.53 knots

Distance

40.8 km

Distance
40.8 km

Wind Speed

20 knots

Wind direction

S ( 270)

Eerste keer varen bij de Houtribdijk samen met Martijn. Top sessie. Smaakt naar meer.

Filter Rankings
Day Rank - speed
Avg
Nr   Rider Avg
1 Wouter van Hilst 40.32
2 Marco Bos 39.37
3 Remco Kes 39.05
4 Tristan Tjerks 38.65
5 Gerlof Hansma 38.57
6 Rob de Jong 38.45
7 Quinten Joosten 37.45
8 Edu Hoekstra 36.90
9 Johan Bulthuis 36.54
10 Martijn Mobach 34.89
Day Rank - speed
Avg
    Rider Avg 2 Sec 500m Mile Hour Distance Alpha
1 Wouter van Hilst 40.32 41.42 38.59 24.86 11.74 37.27 0.00
2 Marco Bos 39.37 40.62 34.80 11.56 11.88 64.52 22.30
3 Remco Kes 39.05 41.28 38.17 34.63 19.56 98.03 23.23
4 Tristan Tjerks 38.65 41.95 36.44 33.69 13.44 84.32 0.00
5 Gerlof Hansma 38.57 39.67 35.82 10.00 12.03 49.97 0.00
6 Rob de Jong 38.45 43.26 34.93 0.00 9.64 35.10 13.82
7 Quinten Joosten 37.45 39.68 36.19 31.94 19.21 103.54 23.11
8 Edu Hoekstra 36.90 38.44 34.28 19.10 6.66 24.69 0.00
9 Johan Bulthuis 36.54 39.19 33.23 32.56 8.45 40.80 12.53
10 Martijn Mobach 34.89 37.30 32.84 31.41 11.37 49.94 0.00
Session Achievements

Achievement

Category

Speed Type

Speed

Rank
BestspotAllTime

100

38.55knots

#1
BestYear

100

38.55knots

#2
BestspotAllTime

10sec

37.56knots

#3
BestYear

10sec

37.56knots

#4
BestspotAllTime

24hour

22.03knots

#5