Event Page
Kai Hartnack

Tuesday 11 July 2023
Spot - Oostvoornse Meer Netherlands
Board -
Tabou Rocket 145, 2008 ![]()
Sail -
Gun Sails Rapid 7.9, 2022 ![]()
Fin -
not defined - 0
GPS -
Garmin instinct
![]()
Max 2 sec
26.35 knots
Rating
Average speed
25.37 knots (26.03 25.91 25.42 24.78 24.73)
100m
26.12 knots
250m
25.58 knots
500m
24.1 knots
500m
24.1 knots
1/2 hour
9.78 knots
1/2 hour
9.78 knots
Hour
7.79 knots
Duration
00:40:34
Hour
7.79 knots
Duration
00:40:34
Nautical Mile
13.74 knots
Alpha racing
7.2 knots
Distance
19.74 km
19.74 km
Wind Speed
0 knots
Wind direction
W ( 270)
Day Insights
🏆 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 | Willem Wolvers | 29.37 |
|
| 2 | Dick van Citteren | 28.75 |
|
| 3 | Kai Hartnack | 25.37 |
|
| 4 | Martijn de Jong | 18.31 |
Day Rank - speed
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Willem Wolvers | 29.37 |
30.93 |
28.68 |
24.38 |
10.16 |
30.26 | 22.34 |
||
| 2 | Dick van Citteren | 28.75 |
30.16 |
28.76 |
21.25 |
9.84 |
45.62 | 15.11 |
||
| 3 | Kai Hartnack | 25.37 |
26.35 |
24.10 |
13.74 |
7.79 |
19.74 | 7.20 |
||
| 4 | Martijn de Jong | 18.31 |
19.00 |
17.45 |
0.00 |
0.00 |
7.90 | 13.86 |
Wind Observation
| 🕐 | 6h | 7h | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h |
| ↗ | |||||||||||||||||
| kts | 6 | 10 | 14 | 14 | 17 | 17 | 16 | 17 | 16 | 16 | 12 | 15 | 14 | 16 | 14 | 16 | 14 |
| kts* | 14 | 10 | 14 | 18 | 17 | 19 | 17 | 17 | 26 | 17 | 22 | 18 | 17 | 16 | 21 | 16 | 14 |
| °C | 18° | 18° | 20° | 21° | 22° | 23° | 23° | 25° | 24° | 23° | 24° | 23° | 25° | 24° | 23° | 21° | 20° |
| Time | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | |||||||||||||||||
| Wind | 6 | 10 | 14 | 14 | 17 | 17 | 16 | 17 | 16 | 16 | 12 | 15 | 14 | 16 | 14 | 16 | 14 |
| Gust | 14 | 10 | 14 | 18 | 17 | 19 | 17 | 17 | 26 | 17 | 22 | 18 | 17 | 16 | 21 | 16 | 14 |
| Degrees | 113° | 158° | 158° | 158° | 203° | 225° | 225° | 225° | 225° | 248° | 270° | 270° | 270° | 270° | 248° | 270° | 248° |
Session Achievements
| Category | Speed Type | Speed |
|---|---|---|
BestAllTime |
100 | 26.12knots |
BestspotAllTime |
100 | 26.12knots |
BestAllTime |
10sec | 26.03knots |
BestspotAllTime |
10sec | 26.03knots |
BestAllTime |
250 | 25.58knots |