Centurion Autumn 100
Goring, United Kingdom • 17 Oct 2026
Event overview
The Autumn 100 is a 100 mile (161 km) continuous trail race held on 17 October 2026 with race HQ at Goring Village Hall, Goring-on-Thames, Oxfordshire, RG8 9AG. Vital statistics list total elevation as 5,000 ft (1,500 m) and a race cut-off of 28 hours. Terrain is listed as 20% road and 80% trail. The event is run under a UK Athletics permit. Entry fees are £220 for UKA-affiliated runners and £222 for unaffiliated runners. The minimum age is 20. The organiser lists 16 aid stations and a field size of 250 starters.
Course, support and rules
The route is four 25 mile out-and-back spurs that start and finish in Goring & Streatley, using sections of the Thames Path and the Ridgeway. The four spurs run from Streatley to Little Wittenham, to Swyncombe Farm, to Chain Hill, and to Reading, each returning to Goring for the next leg. The course is marked with national trail waymarkers plus organiser markings. Sixteen aid stations are described as well stocked with vegetarian, vegan and gluten-free options; hot drinks are available on legs 2, 3 and 4 and hot food at Goring. Drop bags may be accessed at miles 25, 50, 75 and 100 and must be under 30 litres. Pacers are permitted only from mile 75 and must run the final 25 miles with the runner; crew access is not permitted. Runners must meet a qualification standard of a completed 50 mile race within 15 hours during the specified qualifying period. Mandatory kit requirements and medical support are provided. Visit the organization's website for the most recent information.