# When does Western States 100-Mile Endurance Run 2027 registration open?

The ballot for Western States 100-Mile Endurance Run 2027 opens on 2026-11-01, the organiser's date (in 5 days). The ballot opened in November for the 2026 edition (2025-11-01).

- Organiser: Western States Endurance Run Foundation
- Sport: ultra
- Where: Olympic Valley, US
- Site: https://www.wser.org/
- Registration page: https://www.wser.org/entry-process/
- Race day: 2027-06-26
- Registration status: registration closed (checked 2026-10-27)
- Entry route: ballot
- Registration window: 2026-11-01 to 2026-11-21
- Ballot: 2026-11-01 to 2026-11-21, results 2026-12-05. Entrants selected via lottery on Saturday, December 5, 2026 (Placer High School Auditorium, Auburn, CA); each applicant must complete a qualifying race in the one-year qualifying period
- Entry fee, as stated: The entry fee is $575 + the online fee (https://www.wser.org/entry-process/)
- Places, as stated: Our permit with the U.S. Forest Service limits us to 369 runners.

Lottery application not yet open (November 1-21, 2026; drawing December 5, 2026); race Saturday June 26 to Sunday June 27, 2027. Automatic entrants (Golden Ticket, Top Ten, etc.) register at ultrasignup.com before the lottery; 75 applicants are selected for the waitlist.

## Quick answers

**When does Western States 100-Mile Endurance Run 2027 registration open?**

The ballot for Western States 100-Mile Endurance Run 2027 opens on 2026-11-01, the organiser's date (in 5 days). The ballot opened in November for the 2026 edition (2025-11-01).

**When does Western States 100-Mile Endurance Run 2027 registration usually open?**

The ballot opened in November for the 2026 edition (2025-11-01).

**What are the odds in the Western States 100-Mile Endurance Run 2027 ballot?**

11,328 applied for 369 places in the 2026 ballot (about 30.7 applicants per place), as the source states.

**How do I find out the moment Western States 100-Mile Endurance Run 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

- 2027: opened 2026-11-01; closed 2026-11-21 (https://www.wser.org/entry-process/)
- 2026: opened 2025-11-01; closed 2025-11-21 (https://web.archive.org/web/20251118231153/https://www.wser.org/entry-process/)
- 2026: 11,328 ballot applicants; 369 places (https://www.wser.org/lottery/)
- 2025: 9,993 ballot applicants (https://www.wser.org/lottery/)
- 2024: 9,388 ballot applicants (https://www.wser.org/lottery/)

## Sources

- https://www.wser.org/entry-process/ (read 2026-10-24)

## Changes

- 2026-10-24: record added
- 2026-10-24: past editions added: 2026, 2025, 2024 (4 source row(s))
- 2026-10-25: past editions added: 2027 (1 source row(s))

Canonical: https://bikoosh.com/races/when-does-western-states-100-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.