Sunday 28 September
Swimrun Leiderdorp
On Sunday morning, 28 September 2025, we will be organising the fourth SwimRun Leiderdorp. This year, you can once again choose between a long and a short distance.
Are you up for a challenging swimrun? The short distance is just over 7 km. This is divided into 6 swimming sections and 7 running sections. The long distance is almost 13 km and consists of 11 swimming sections and 12 running sections.
When
- Sunday the 28th of september 2025 from 07:00 to 15:30