Session Details

Wubbo Roelfsema

Wubbo Roelfsema

Sunday 22 February 2026

Spot - IJsselmeer - Medemblik Netherlands

Board - Gong Cruzader Point FSP pro 6.0XL, 2024

Sail - Duotone Unit 4.0, 2024

Fin - not defined - 0

GPS - Suunto Race S

Max 2 sec

25.08 knots

Average speed

23.66 knots (24.51 24.4 23.31 23.24 22.82)

100m

24.63 knots

250m

23.86 knots

500m

22.96 knots

500m

22.96 knots

1/2 hour

13.6 knots

1/2 hour

13.6 knots

Hour

12.05 knots

Duration

01:15:56

Hour

12.05 knots

Duration

01:15:56

Nautical Mile

19.64 knots

Alpha racing

16.3 knots

Distance

36.06 km

Distance

36.06 km

Wind Speed

19 knots

Wind direction

SW ( 225)

Filter Rankings

Day Rank - speed

Avg

Nr		Rider	Avg
1		Michiel Steur	28.68
2		Wubbo Roelfsema	23.66

Day Rank - speed

Avg

		Rider	Avg	2 Sec	500m	Mile	Hour	Distance	Alpha
1		Michiel Steur	28.68	30.15	27.60	24.43	16.90	56.47	18.41
2		Wubbo Roelfsema	23.66	25.08	22.96	19.64	12.05	36.06	16.30

Wind Observation

9

35 Gust

17 Wind

248°

10

25 Gust

18 Wind

248°

11

36 Gust

19 Wind

225°

12

39 Gust

19 Wind

225°

13

42 Gust

21 Wind

248°

14

25 Gust

21 Wind

248°

15

41 Gust

21 Wind

248°

16

26 Gust

20 Wind

248°

17

37 Gust

19 Wind

248°

18

28 Gust

18 Wind

248°

19

32 Gust

16 Wind

248°

Time	9	10	11	12	13	14	15	16	17	18	19
Direction
Wind	17	18	19	19	21	21	21	20	19	18	16
Gust	35	25	36	39	42	25	41	26	37	28	32
Degrees	248°	248°	225°	225°	248°	248°	248°	248°	248°	248°	248°

Session Achievements

Achievement	Category	Speed Type	Speed	Rank
	BestAllTime	mile	19.64knots	#1
	BestspotAllTime	mile	19.64knots	#2
	BestYear	mile	19.64knots	#3