Session Details
Roger van Tongeren
Sunday 25 January 2026
Spot - Berlin, Müggelsee Germany
Board -
Hiberna Ice sled, 2004 
Sail -
Severne Blade 6.2, 2022 
Fin -
C3 SLINGSHOT 19
GPS - COROS Wearables Gpx
Max 2 sec
25.95 knots
Rating
Average speed
24.09 knots (25.41 25.02 23.75 23.16 23.12)
100m
25.59 knots
250m
24.59 knots
500m
24.06 knots
500m
24.06 knots
1/2 hour
11.44 knots
1/2 hour
11.44 knots
Hour
0 knots
Duration
00:50:41
Hour
0 knots
Duration
00:50:41
Nautical Mile
18.37 knots
Alpha racing
15.84 knots
Distance
19.55 km
19.55 km
Wind Speed
0 knots
Wind direction
E ( 270)
Black Ice!
Filter Rankings
Day Rank - speed
Day Rank - speed
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  |
Giedrius Liutkus | 37.73 | 40.76 | 38.93 | 29.55 | 21.94 | 231.46 | 24.06 | |
| 2 | |
Roger van Tongeren | 24.09 | 25.95 | 24.06 | 18.37 | 0.00 | 19.55 | 15.84 | |
Wind Observation
9
10
11
12
13
14
15
16
17
| Time | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
|---|---|---|---|---|---|---|---|---|---|
| Direction | |||||||||
| Wind | 10 | 10 | 9 | 10 | 8 | 10 | 11 | 10 | 10 |
| Gust | 10 | 10 | 9 | 10 | 8 | 10 | 11 | 10 | 10 |
| Degrees | 90° | 90° | 90° | 68° | 90° | 68° | 90° | 90° | 68° |