Autumn
· starts 6:00 AM
River Arun, West Sussex, England
Autumn is a trail race of 100 miles (161 km) in River Arun, West Sussex, England. The next edition is on Saturday, October 17, 2026, starting at 6:00 AM. The race gives its climbing as 6,499 ft (1,981 m); measured from its course file, it's 5,738 ft (1,749 m). Its high point is 716 ft (218 m). It's a Western States 100 qualifier. Registration is open to all. The field is about 150 runners.
The course
Questions about Autumn
When is Autumn 2026?
Autumn 2026 is on Saturday, October 17, 2026, starting at 6:00 AM local time.
Where is Autumn?
Autumn is held in River Arun, West Sussex, England.
How long is Autumn?
Autumn is 100 miles (161 km); its course file measures 98 miles.
How much elevation gain does Autumn have?
Autumn has 6,499 ft (1,981 m) of elevation gain, as the race states it.
Is Autumn a Western States qualifier?
Yes. Autumn is on the Western States 100's list of qualifying races. Check wser.org for the qualifying standard and years.
How do you get into Autumn?
Autumn has open registration.
Where can I see the Autumn elevation profile and aid station cutoffs?
runfarwhere has Autumn's course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.
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