# When does South Downs Way 100 2027 registration open? Registration for South Downs Way 100 2027 is open now (read 2026-10-27 on the organiser's page); no closing date is stated. Registration opened in July for the 2027 edition (2026-07-19). - Organiser: Centurion Running - Sport: ultra - Where: Winchester, GB - Site: https://www.centurionrunning.com/races/south-downs-way-100-2027 - Registration page: https://www.centurionrunning.com/races/south-downs-way-100-2027 - Race day: 2027-06-12 - Registration status: registration open (checked 2026-10-27) - Entry route: first-come - Registration window: 2026-07-19 to ? - Entry fee, as stated: £225 (£227 unaffiliated) (https://www.centurionrunning.com/races/south-downs-way-100-2027) - Places, as stated: No. of Starters 600 100 mile trail race from just outside Winchester, 30 hour cut-off. General entries opened 19 July 2026 at 19:00 on a first come basis; 100 free places for 2026 volunteers. ## Quick answers **When does South Downs Way 100 2027 registration open?** Registration for South Downs Way 100 2027 is open now (read 2026-10-27 on the organiser's page); no closing date is stated. Registration opened in July for the 2027 edition (2026-07-19). **When does South Downs Way 100 2027 registration usually open?** Registration opened in July for the 2027 edition (2026-07-19). **How do I find out the moment South Downs Way 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/south-downs-way-100-2027 (read 2026-10-27) ## Changes - 2026-10-27: record added Canonical: https://bikoosh.com/races/when-does-south-downs-way-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.