Centurion Autumn 100
Goring, United Kingdom • 17 Oct 2026
Autumn 100
The Autumn 100 is a 100 mile continuous trail race held on 17 October 2026 and based in the twinned villages of Goring and Streatley on the River Thames. The event has a minimum age of 20. Entry fee is listed as £222 with a UKA discounted fee of £220. Entries open on 8 November 2025 and close on 28 September 2026.
The course is organised as four 25 mile out and back spurs that together form a cross shape, using sections of both the Ridgeway and Thames Path National Trails. Out and back legs travel to Little Wittenham on the Thames Path, Swyncombe Farm on the Ridgeway, Chain Hill on the Ridgeway, and Reading on the Thames Path before returning to Goring for the 100 mile finish.
Support on course includes 16 well stocked aid stations, medical support, course markings and the existing National Trail waymarkers. Participants may encounter up to 13 hours of darkness and the possibility of low temperatures, wet and windy conditions typical of autumn. The race is held under a UK Athletics permit granted through the Trail Running Association with the permit number pending. The event organiser is Centurion Running. Visit the organization's website for the most recent information.