# When does Thames Path 100 2027 registration open?

Registration for Thames Path 100 2027 is open now (read 2026-10-28 on the organiser's page); no closing date is stated. Registration opened in May for the 2027 edition (2026-05-31).

- Organiser: Centurion Running
- Sport: ultra
- Where: London, GB
- Site: https://www.centurionrunning.com/races/thames-path-100-2027
- Registration page: https://www.centurionrunning.com/races/thames-path-100-2027
- Race day: 2027-05-01
- Registration status: registration open (checked 2026-10-28)
- Entry route: qualifying
- Registration window: 2026-05-31 to ?
- Entry fee, as stated: £225 (£227 unaffiliated) (https://www.centurionrunning.com/races/thames-path-100-2027)
- Places, as stated: No. of Starters 300

100 miles along the Thames Path from London to Oxford, 30 hour cut-off. Entries opened 31 May 2026 at 18:00; runners must meet a minimum qualification standard.

## Quick answers

**When does Thames Path 100 2027 registration open?**

Registration for Thames Path 100 2027 is open now (read 2026-10-28 on the organiser's page); no closing date is stated. Registration opened in May for the 2027 edition (2026-05-31).

**When does Thames Path 100 2027 registration usually open?**

Registration opened in May for the 2027 edition (2026-05-31).

**How do I find out the moment Thames Path 100 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://www.centurionrunning.com/races/thames-path-100-2027 (read 2026-10-28)

## Changes

- 2026-10-28: record added

Canonical: https://bikoosh.com/races/when-does-thames-path-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.