Event Page
Siemen Leffers
Monday 6 July 2020
Spot - Lauwersmeer Netherlands
Board -
Starboard iSonic 94, 2010 
GPS -
Suunto Ambit Series
Max 2 sec
34.79 knots
Rating
Average speed
32.83 knots (34 32.75 32.75 32.5 32.14)
100m
34.54 knots
250m
32.96 knots
500m
30.94 knots
500m
30.94 knots
1/2 hour
10.7 knots
1/2 hour
10.7 knots
Hour
6.21 knots
Duration
00:57:59
Hour
6.21 knots
Duration
00:57:59
Nautical Mile
0 knots
Alpha racing
0 knots
Distance
35.51 km
35.51 km
Wind Speed
0 knots
Wind direction
W ( 270)
Mooie 2e x surfen dit jaar! Meerdere pr's verbroken, ondanks de wat vlagerige wind, had op de helft van mijn sessie een select 29 vin eronder gegooid, ging erg lekker :)
🏆 Today's Story
Get the full race story — see who won, by how much, who had the fastest peak and who showed the biggest improvement.
🌟 Personal Bests
Track personal bests across all speed categories. See who broke their all-time or year records and by how much.
🗺️ Run Map
See every run on an interactive map. Compare rider lines, analyse routes and discover what makes the fastest runs stand out.
Day Rank - speed
| # | Rider | Avg | |
|---|---|---|---|
| 1 | Gerlof Hansma | 37.47 |
 |
| 2 | Nico Wierstra | 35.97 |
|
| 3 | Marc Roosendaal | 34.50 |
|
| 4 | Pieter Hamstra | 34.07 |
|
| 5 | Jelmer Vries | 33.98 |
|
| 6 | Anne Fahner | 32.88 |
|
| 7 | Johan Bulthuis | 32.84 |
|
| 8 | Siemen Leffers | 32.83 |
|
| 9 | Rolf Smook | 32.83 |
|
| 10 | Sjouke Hiemstra | 32.72 |
|
Day Rank - speed
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Gerlof Hansma | 37.47 |
40.04 |
36.20 |
31.38 |
20.65 |
98.33 | 22.62 |
|
| 2 | |
Nico Wierstra | 35.97 |
38.25 |
33.58 |
29.76 |
13.92 |
58.37 | 23.13 |
|
| 3 | |
Marc Roosendaal | 34.50 |
36.38 |
31.58 |
22.13 |
12.38 |
39.03 | 13.80 |
|
| 4 | |
Pieter Hamstra | 34.07 |
36.60 |
32.09 |
26.00 |
11.30 |
29.23 | 0.00 |
|
| 5 | |
Jelmer Vries | 33.98 |
35.30 |
32.58 |
28.08 |
18.10 |
77.94 | 21.14 |
|
| 6 | |
Anne Fahner | 32.88 |
35.86 |
32.60 |
26.16 |
14.93 |
36.21 | 16.61 |
|
| 7 | |
Johan Bulthuis | 32.84 |
34.32 |
30.97 |
27.92 |
12.59 |
87.65 | 18.73 |
|
| 8 | |
Siemen Leffers | 32.83 |
34.79 |
30.94 |
0.00 |
6.21 |
35.51 | 0.00 |
|
| 9 | |
Rolf Smook | 32.83 |
34.84 |
30.23 |
25.92 |
13.45 |
50.07 | 21.34 |
|
| 10 | |
Sjouke Hiemstra | 32.72 |
34.97 |
31.91 |
28.49 |
16.42 |
58.61 | 19.27 |
|
Session Achievements
| Category | Speed Type | Speed |
|---|---|---|
BestAllTime |
100 | 34.54knots |
BestspotAllTime |
100 | 34.54knots |
BestAllTime |
10sec | 34.00knots |
BestspotAllTime |
10sec | 34.00knots |
BestAllTime |
250 | 32.96knots |