100mi events in West Sussex, England
Find 100mi events in West Sussex, England. Compare 1 upcoming event by date and location. Open a race guide for the course, recorded editions and official entry information where available.
One event to explore is Centurion Winter Downs 100.
Compare running races by distance, date and surface, from shorter road events to trail races and ultras.
1 listed events · 1 with upcoming dates
Upcoming 100mi events
1 matching event, earliest date first. Entry availability is shown separately.
Centurion Winter Downs 100
ENGAmberley, West Sussex
A 100-mile winter route from Amberley Museum to Juniper Hall.
· Status TBC
Date listed · latest organiser confirmation not yet checked.
Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
No separate archived race guides are listed for this selection yet.
View full race archive (0) →Questions about 100mi events in West Sussex
What should I check before a running event in West Sussex?
Choose your distance, then check the route, elevation, cut-off time and entry conditions in the organiser’s race guide.
Which 100mi events are coming up in West Sussex, England?
Centurion Winter Downs 100 is listed for 11 December 2026 (status to be confirmed). Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for West Sussex, England?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.