Session Details

Marc Roosendaal

Marc Roosendaal

Wednesday 10 December 2025

Spot - Lauwersmeer Netherlands

Board - F-One Rocket, 2020

Sail - Naish ADX 5.5, 2025

Fin - AK Tracer 1300

GPS - Garmin fenix 8

Max 2 sec

13.79 knots

Average speed

12.5 knots (12.91 12.52 12.39 12.38 12.32)

100m

12.45 knots

250m

12.29 knots

500m

11.64 knots

500m

11.64 knots

1/2 hour

6.01 knots

1/2 hour

6.01 knots

Hour

4.18 knots

Duration

01:15:14

Hour

4.18 knots

Duration

01:15:14

Nautical Mile

0 knots

Alpha racing

0 knots

Distance

13.25 km

Distance

13.25 km

Wind Speed

18 knots

Wind direction

SSW ( 203)

Filter Rankings

Day Rank - speed

Avg

Nr		Rider	Avg
1		Benjamin de Bie	19.33
2		Benjamin de Bie	19.33
3		Marc Roosendaal	12.50

Day Rank - speed

Avg

		Rider	Avg	2 Sec	500m	Mile	Hour	Distance	Alpha
1		Benjamin de Bie	19.33	20.37	17.16	15.52	13.08	38.16	15.85
2		Benjamin de Bie	19.33	20.37	17.16	15.52	13.08	38.16	15.85
3		Marc Roosendaal	12.50	13.79	11.64	0.00	4.18	13.25	0.00

Wind Observation

10

26 Gust

14 Wind

225°

11

24 Gust

15 Wind

225°

12

30 Gust

15 Wind

225°

13

25 Gust

15 Wind

225°

14

25 Gust

17 Wind

225°

15

30 Gust

18 Wind

225°

16

30 Gust

18 Wind

225°

17

33 Gust

18 Wind

225°

Time	10	11	12	13	14	15	16	17
Direction
Wind	14	15	15	15	17	18	18	18
Gust	26	24	30	25	25	30	30	33
Degrees	225°	225°	225°	225°	225°	225°	225°	225°

Session Achievements

Achievement	Category	Speed Type	Speed	Rank
	BestAllTime	100	12.45knots	#1
	BestspotAllTime	100	12.45knots	#2
	BestAllTime	10sec	12.91knots	#3
	BestspotAllTime	10sec	12.91knots	#4
	BestAllTime	24hour	7.15knots	#5