Session Details
Tristan Tjerks
Tuesday 17 February 2026
Spot - Amstelmeer Netherlands
Board -
Chopper SpeedSlalom 53, 2026 
Fin -
Chopper ChC 28
GPS -
COROS VERTIX 2
Max 2 sec
37.9 knots
Rating
Average speed
35.02 knots (35.37 35.18 34.98 34.92 34.63)
100m
36.44 knots
250m
34.97 knots
500m
33.86 knots
500m
33.86 knots
1/2 hour
11.49 knots
1/2 hour
11.49 knots
Hour
10.13 knots
Duration
01:14:44
Hour
10.13 knots
Duration
01:14:44
Nautical Mile
0 knots
Alpha racing
0 knots
Distance
34.12 km
34.12 km
Wind Speed
16 knots
Wind direction
WNW ( 293)
Bit low wind sometimes for 53wide board, but was fun!
Filter Rankings
Day Rank - speed
| Nr | Rider | Avg | ||
|---|---|---|---|---|
| 1 | |
Remco Kes | 36.14 | |
| 2 | |
Wouter van Hilst | 35.89 | |
| 3 | |
Tristan Tjerks | 35.02 | |
| 4 | |
Eric Groot-van Ederen | 34.93 |  |
Day Rank - speed
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Remco Kes | 36.14 | 37.96 | 32.63 | 24.64 | 16.71 | 55.73 | 22.38 | |
| 2 | |
Wouter van Hilst | 35.89 | 37.66 | 35.06 | 0.00 | 7.18 | 16.38 | 0.00 | |
| 3 | |
Tristan Tjerks | 35.02 | 37.90 | 33.86 | 0.00 | 10.13 | 34.12 | 0.00 | |
| 4 | |
Eric Groot-van Ederen | 34.93 | 37.84 | 32.41 | 0.00 | 8.24 | 16.02 | 14.47 | |
Wind Observation
9
10
11
12
13
14
15
16
17
18
| Time | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|
| Direction | ||||||||||
| Wind | 11 | 12 | 13 | 16 | 17 | 16 | 21 | 18 | 16 | 16 |
| Gust | 11 | 12 | 13 | 16 | 17 | 26 | 41 | 29 | 16 | 16 |
| Degrees | 293° | 293° | 270° | 293° | 293° | 293° | 315° | 293° | 315° | 315° |