Session Details

Jasper Jongepier

Monday 6 July 2026

Spot IJsselmeer - De Houw Netherlands

Board Severne Mega 63, 2026

Sail Neilpryde RS Racing EVO XVII 6.5, 2027

Fin Gasoil Fins CHR-L 32

GPS Suunto app

Max 2 sec

35.72 kts

Rating

Average speed

34.6 kts (35.37 34.67 34.58 34.19 34.18)

100m

35.57 kts

250m

35.15 kts

500m

34.51 kts

½ hour

19.55 kts

Hour

18.59 kts

Duration

01:47:30

Naut. Mile

27.64 kts

Alpha

23.2 kts

Distance

74.12 km

Wind

16 knots

Gust

31 knots

Direction

W ( 270)

Filter Rankings

Day Rank - speed

#	Rider	Avg
1	Wybe tibma Wybe tibma	34.82
2	Jasper Jongepier	34.60
3	Wilko Kronemeijer	33.99
4	Marcus Stevens	31.69
5	Henk IJbema	28.19

Day Rank - speed

Avg

		Rider	Avg	2 Sec	500m	Mile	Hour	Distance	Alpha
1		Wybe tibma Wybe tibma	34.82	35.95	34.18	26.19	16.62	73.75	22.33
2		Jasper Jongepier	34.60	35.72	34.51	27.64	18.59	74.12	23.20
3		Wilko Kronemeijer	33.99	34.96	33.42	24.15	12.96	54.45	15.00
4		Marcus Stevens	31.69	32.95	30.93	26.34	16.72	65.85	22.86
5		Henk IJbema	28.19	30.31	27.82	0.00	4.77	14.22	0.00

Gear size range

Sail (m²)

6.3 avg 6.6 6.8

Board (W)

63 avg 95 115

Fin (cm)

30 avg 33 37

Wind Observation

🕐	6h	7h	8h	9h	10h	11h	12h	13h	14h	15h	16h	17h	18h	19h	20h	21h	22h
↗
kts	13	14	15	16	16	17	18	20	20	20	18	17	16	15	13	12	10
kts*	21	20	23	25	28	31	33	32	33	32	29	31	28	24	23	19	18
°C	19°	19°	19°	20°	19°	20°	21°	20°	21°	20°	20°	21°	22°	21°	20°	20°	20°

Time	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
Direction
Wind	13	14	15	16	16	17	18	20	20	20	18	17	16	15	13	12	10
Gust	21	20	23	25	28	31	33	32	33	32	29	31	28	24	23	19	18
Degrees	248°	225°	270°	270°	270°	270°	270°	270°	270°	270°	270°	270°	270°	270°	270°	270°	248°

Session Achievements

Category	Speed Type	Speed
BestspotAllTime	100	35.57knots
BestspotAllTime	10sec	35.37knots
BestYear	10sec	35.37knots
BestspotAllTime	24hour	40.02knots
BestspotAllTime	250	35.15knots