Centurion Autumn 100
Goring, United Kingdom • 17 Oct 2026
Event
The Autumn 100 takes place on 17 October 2026 and is based at Goring Village Hall, Goring & Streatley, Oxfordshire (RG8 9AG). The race distance is 100 miles (161 km) and runners must finish within a 28 hour time limit. The event is held under a UK Athletics permit through the TRA. Entries open on 8 November 2025 and close on 28 September 2026. The entry fee is £220 for UKA affiliated runners and £222 for unaffiliated runners. Entrants must meet a qualification standard: completion of at least a 50 mile race within 15 hours between 1 January 2021 and race day.
Course and logistics
The course is four separate 25 mile out-and-back spurs that start and finish at Goring & Streatley and use sections of the Thames Path and the Ridgeway. The spurs run to Little Wittenham, Swyncombe Farm, Chain Hill and Reading. Terrain is approximately 20% road and 80% trail. There are 16 fully stocked aid stations, full medical support, and course markings that supplement National Trail waymarkers. Drop bags are available at Goring 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 entrant. Crews are not permitted. A list of mandatory kit includes a charged mobile phone, 1 litre water capacity, survival blanket, waterproof jacket, headtorch and backup light, warm hat and gloves. Road crossings on the course are not marshalled. Visit the organization's website for the most recent information.