Running
1000 meter
1 km

Running
1000 meter
1 km
Running
500 meter
0.5 km
Running
100 meter jeugd
0.1 km
A friendly open-water swim and run event around the new indoor pool de Vliet in Leiden, offering multiple distances from 100 m youth to 10 km for experienced participants.
Monthly averages based on historical data (2000–present).
Last updated: Jun 5, 2026, 11:46:28 PM
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On your marks
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