# When does NN Marathon Rotterdam 2027 registration open?

Registration for NN Marathon Rotterdam 2027 is open now (read 2026-10-27 on the organiser's page); it closes 2026-11-03, the organiser's date. Registration opened in October for 2027; September for 2026: no single month on record yet.

- Organiser: Rotterdam Marathon B.V. (Golazo Sports)
- Sport: marathon
- Where: Rotterdam, NL
- Site: https://nnmarathonrotterdam.nl/en/
- Registration page: https://nnmarathonrotterdam.nl/en/pre-registration/
- Race day: 2027-04-11
- Registration status: registration open (checked 2026-10-27)
- Entry route: first-come
- Registration window: 2026-10-20 to 2026-11-03
- Entry fee, as stated: Rate 155 EUR (https://nnmarathonrotterdam.nl/en/register/nn-marathon-rotterdam-2/)

Free, mandatory pre-registration (20 Oct to 3 Nov 2026, 10:00) gives a personal registration link; registration opens 4 Nov 2026 (10:00 for 2026 pre-registrants who missed out, 14:00 for all others) and entries are allocated first come, first served until gone. A waiting list is to be announced.

## Quick answers

**When does NN Marathon Rotterdam 2027 registration open?**

Registration for NN Marathon Rotterdam 2027 is open now (read 2026-10-27 on the organiser's page); it closes 2026-11-03, the organiser's date. Registration opened in October for 2027; September for 2026: no single month on record yet.

**When does NN Marathon Rotterdam 2027 registration usually open?**

Registration opened in October for 2027; September for 2026: no single month on record yet.

**How fast does NN Marathon Rotterdam 2027 sell out?**

The 2025 edition sold out in 2.5 hours.

**How do I find out the moment NN Marathon Rotterdam 2027 registration opens?**

Race Entry Watch reads the registration page every night, hourly in the week before a stated opening date and every ten minutes on the day itself. The free weekly digest is on this page; the same-day email, the moment it opens, is the membership (4 USD a month) or a 30-day pass (5 USD once).

## Past editions

- 2026: opened 2025-09-09; closed 2025-09-22 (https://nnmarathonrotterdam.nl/en/nn-marathon-rotterdam-introduces-a-new-registration-method-with-equal-chances-for-everyone/)
- 2025: sold out in 2.5 hours (https://nnmarathonrotterdam.nl/en/nn-marathon-rotterdam-introduces-a-new-registration-method-with-equal-chances-for-everyone/)

## Sources

- https://nnmarathonrotterdam.nl/en/pre-registration/ (read 2026-10-24)

## Changes

- 2026-10-24: record added
- 2026-10-24: past editions added: 2026, 2025 (2 source row(s))

Canonical: https://bikoosh.com/races/when-does-rotterdam-marathon-registration-open
Race Entry Watch is an independent, sourced tracker, not affiliated with any organiser. Every status is read on the event's own registration page on the date shown; dates and fees are quoted as the organiser states them; an entry is yours to make on the organiser's site.