Centurion Thames Path 100

Event overview

The Thames Path 100® is a marked point-to-point trail race of 100 mi (161 km) held on 2 May 2026. The route follows the Thames Path from Richmond in London to the centre of Oxford, finishing on the grounds of Oxford University. Total climb is listed as 1900 ft (560 m). The course is described as largely flat, with about 25% paved path and 75% trail, and a listed field size of 300 starters. The overall time limit for the race is 30 hours.

Logistics and rules

There are 13 aid stations on course providing fluids, gels and a range of sweet and savoury foods; hot drinks are available from Hurley onward and hot food at Henley, Goring and the finish. Drop bags are accepted for Henley (mile 51), Goring (mile 71) and the finish; finish line bags have a larger size limit. Pacers are permitted from Henley (mile 51) and only one pacer may accompany a runner at a time. Crews and pacers may meet runners only at designated points.

Runners must meet a qualification standard (a minimum 50 mile race within 15 hours between 1 Jan 2020 and race day) and must carry mandatory kit at all times. Mandatory items include a charged mobile phone, minimum 1 litre water carry, survival blanket, waterproof jacket, whistle, primary and backup 100 lumen lights, warm hat, gloves, long sleeved top kept dry and a cup. A one hour time penalty may be applied for missing mandatory items. The course is marked by National Trail markers and additional event markers; road crossings are un-mars halled. Awards include Centurion buckles for finishers and further place and age-group prizes. Entry fee is listed as £220 (£222 for unaffiliated runners). Visit the organization's website for the most recent information.