Session Details

Flag Harm Jaap de Witt

Saturday 28 March 2026

Spot - Wolderwijd - Strand Horst Netherlands

Board - Tabou Manta 71, 2015

Sail - Duotone Warp 20.20 7.0, 2020

Fin - Tribal Fin MK2 Carbon 37

GPS - Locosys GW-60

Max 2 sec

30.12 knots

Rating

Average speed

28.82 knots (29.55 29.22 28.72 28.48 28.12)

100m

29.77 knots

250m

29 knots

500m

28.14 knots

500m

28.14 knots

1/2 hour

15.32 knots

1/2 hour

15.32 knots

Hour

10.82 knots

Duration

00:30:27

Hour

10.82 knots

Duration

00:30:27

Nautical Mile

26.06 knots

Alpha racing

14.47 knots

Distance

20.12 km

Distance
20.12 km

Wind Speed

13 knots

Wind direction

NW ( 270)

Paar rakjes lafjes naar H'wijk op en neer, rug werkte niet mee dus snel gestopt. Volgende keer hopelijk beter.

Filter Rankings
Day Rank - speed
# Rider Avg
1 Rob Allersma 31.20
2 Pieter Rietveld 31.11
3 Marco Lambers 29.51
4 Harm Jaap de Witt 28.82
5 Marcel Mulder 28.01
6 Armand van Renssen 27.07
7 Mark Oosterhuis 26.98
8 Marijn Rijswijk 26.14
9 Maikel Kieft 22.15
10 Roland Herwijnen 20.51
Day Rank - speed
Avg
    Rider Avg 2 Sec 500m Mile Hour Distance Alpha
1 Rob Allersma 31.20 33.31 30.28 27.50 11.44 67.26 0.00
2 Pieter Rietveld 31.11 32.06 30.85 25.47 13.64 46.39 10.99
3 Marco Lambers 29.51 30.66 29.47 26.45 14.35 59.29 0.00
4 Harm Jaap de Witt 28.82 30.12 28.14 26.06 10.82 20.12 14.47
5 Marcel Mulder 28.01 29.00 28.02 23.34 6.06 25.60 0.00
6 Armand van Renssen 27.07 28.57 27.34 23.45 16.85 73.88 17.24
7 Mark Oosterhuis 26.98 28.59 26.87 23.59 9.76 30.45 8.61
8 Marijn Rijswijk 26.14 29.65 27.31 25.96 9.11 30.26 15.71
9 Maikel Kieft 22.15 24.48 21.80 18.33 11.04 39.43 14.38
10 Roland Herwijnen 20.51 21.38 19.90 0.00 6.90 26.25 0.00
Session Achievements

Achievement

Category

Speed Type

Speed

Rank
BestYear

100

29.77knots

#1
BestYear

10sec

29.55knots

#2
BestYear

24hour

10.87knots

#3
BestYear

250

29.00knots

#4
BestYear

2sec

30.12knots

#5