# When does Waldo 100K 2027 registration open?

The ballot for Waldo 100K 2027 opens on 2027-01-01, the organiser's date (in 66 days).

- Organiser: Waldo 100K
- Sport: ultra
- Where: Willamette Pass, US
- Site: https://waldo100k.org/
- Registration page: https://waldo100k.org/
- Race day: 2027-08-07
- Registration status: registration closed (checked 2026-10-27)
- Entry route: ballot
- Ballot: 2027-01-01 to 2027-01-21, results 2027-01-22. Lottery Drawing January 22, 2027

Oregon 100K loop from Willamette Pass Ski Area; 'Next Waldo is August 7, 2027'.

## Quick answers

**When does Waldo 100K 2027 registration open?**

The ballot for Waldo 100K 2027 opens on 2027-01-01, the organiser's date (in 66 days).

**How do I find out the moment Waldo 100K 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).

## Sources

- https://waldo100k.org/ (read 2026-10-27)

## Changes

- 2026-10-27: record added

Canonical: https://bikoosh.com/races/when-does-waldo-100k-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.