Trail Running100 Miles

Autumn 100

17 October 2026
Goring-on-Thames, England, United Kingdom

Race details

Modality

Individual

Organizer

South Downs Way 100

Distance

160.93 km

Elevation

+1,500 m

Participants

250

Capacity

300

Start time

09:00

Terrain

Trail

Difficulty

Advanced

Course profile

Hilly

Aid stations

13

Minimum age

18+

Certified

Yes

Circuit

Centurion Running 100-mile Grand Slam

Event description

The Autumn 100 is a premier 100-mile trail race starting and finishing in the scenic village of Goring-on-Thames. The course features a unique four-spur format along the historic Thames Path and Ridgeway, offering a fast and atmospheric end-of-season challenge for ultrarunners.

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Sport

Trail Running

Distance

100 Miles

Country

United Kingdom

Region

England