Session Details
Tristan Tjerks
Tuesday 23 December 2025
Board -
Chopper SpeedSlalom 53, 2026 
Fin -
Chopper Sym Speed 27
GPS -
COROS VERTIX 2
Max 2 sec
36.01 knots
Rating
Average speed
33.96 knots (35.7 34.09 33.63 33.41 32.96)
100m
35.81 knots
250m
35.31 knots
500m
32.95 knots
500m
32.95 knots
1/2 hour
13.05 knots
1/2 hour
13.05 knots
Hour
11.28 knots
Duration
00:54:50
Hour
11.28 knots
Duration
00:54:50
Nautical Mile
23.56 knots
Alpha racing
19.83 knots
Distance
24.93 km
24.93 km
Wind Speed
22 knots
Wind direction
E ( 90)
Not a Nice wind direction and choppy. Cold was okay.
had to leave due to excavator work. Chopper symspeed 27 with the 53 board was perfect!
Day Rank - speed
Day Rank - speed
| Rider | 2 Sec | Avg | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | |
Quinten Joosten | 36.55 | 33.33 | 31.84 | 22.21 | 7.39 | 16 | 22.65 |  |
| 1 | |
Tristan Tjerks | 36.01 | 33.96 | 32.95 | 23.56 | 11.28 | 25 | 19.83 | |
Wind Observation
10
11
12
13
14
15
16
17
| Time | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||
| Wind | 20 | 21 | 22 | 23 | 22 | 19 | 22 | 26 |
| Gust | 33 | 35 | 26 | 41 | 26 | 24 | 38 | 31 |
| Degrees | 90° | 90° | 90° | 90° | 90° | 90° | 90° | 90° |