The year in Leiden

Nov 2026 – Oct 2027 · 7 moments

The big moments of the year in Leiden: Sinterklaas arrives, Winter Wonder Weeks, Christmas market and more, with their dates.

May2027
8May

Leiden Marathon

8 – 9 May 2027

Marathon, half marathon and 10 km on the Sunday, with a 5 km and walking routes on the Saturday and a free children's run on the Sunday afternoon.

June2027
5Jun

Museum Night Leiden

Saturday 5 June 2027, 20:00 – 01:00

One evening when the museums of the city stay open late, with talks, workshops and performances on top of the collections.

October2027
2Oct

Leidens Ontzet (3 October)

2 and 3 October 2027

The city's big day, remembering the relief of Leiden in 1574, held every year on 3 October with the festivities starting on the 2nd. On the 3rd come free herring and white bread in the morning and the Grote Optocht in the afternoon, and the fair is there on both days.