Session Details
Johan Gelling
Wednesday 20 May 2026
GPS
COROS APEX PRO
Average speed
30.23 kts (30.77 30.26 30.15 30.12 29.86)
100m
30.95 kts
250m
29.96 kts
500m
28.81 kts
½ hour
19.74 kts
Hour
17.8 kts
Duration
02:21:17
Naut. Mile
24.51 kts
Alpha
18.55 kts
Distance
82.46 km
Wind
0 knots
Gust
0 knots
Direction
W ( 270)
Niet veel wind voorspeld maar op de gok toch heen gegaan. En dat pakte gelukkig goed uit.
De windvlagen waren sterk genoeg maar deze waren wel kort en daardoor moeilijk om een goede run neer te zetten.
Filter Rankings
Day Rank - speed
| # | Rider | Avg | |
|---|---|---|---|
| 1 | Pieter Hamstra | 31.17 | |
| 2 | Johan Gelling | 30.23 | |
| 3 | Kees Ozenga | 29.24 | |
| 4 | Gosse Visser | 28.54 | |
| 5 | Tom Venema | 26.92 | |
Day Rank - speed
Avg
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Pieter Hamstra | 31.17 | 32.17 | 28.84 | 24.47 | 11.20 | 42.10 | 14.82 | |
| 2 | |
Johan Gelling | 30.23 | 31.50 | 28.81 | 24.51 | 17.80 | 82.46 | 18.55 | |
| 3 | |
Kees Ozenga | 29.24 | 30.24 | 27.25 | 23.72 | 14.92 | 57.22 | 18.46 | |
| 4 | |
Gosse Visser | 28.54 | 29.90 | 27.36 | 21.89 | 15.58 | 45.74 | 17.67 | |
| 5 | |
Tom Venema | 26.92 | 28.58 | 26.31 | 23.35 | 12.53 | 30.31 | 0.00 | |
Gear size range
Sail (m²)
7.8
avg 8.1
8.5
Board (W)
99
avg 112
121
Fin (cm)
36
avg 39
42
Wind Observation
| 🕐 | 6h | 7h | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h |
| ↗ | ||||||||||||||||
| kts | 12 | 13 | 12 | 13 | 17 | 16 | 17 | 18 | 16 | 17 | 17 | 16 | 16 | 16 | 13 | 12 |
| kts* | 22 | 23 | 23 | 24 | 28 | 29 | 30 | 29 | 29 | 29 | 30 | 29 | 30 | 27 | 24 | 22 |
| °C | 13° | 13° | 13° | 13° | 14° | 14° | 15° | 15° | 14° | 15° | 14° | 14° | 14° | 15° | 14° | 15° |
| Time | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||||||||
| Wind | 12 | 13 | 12 | 13 | 17 | 16 | 17 | 18 | 16 | 17 | 17 | 16 | 16 | 16 | 13 | 12 |
| Gust | 22 | 23 | 23 | 24 | 28 | 29 | 30 | 29 | 29 | 29 | 30 | 29 | 30 | 27 | 24 | 22 |
| Degrees | 180° | 203° | 203° | 203° | 203° | 225° | 225° | 225° | 225° | 225° | 248° | 248° | 248° | 248° | 248° | 225° |