Thames Path 100

Thames Path 100

Thames Path 100 is a 100 mile continuous trail race along the Thames Path from Richmond in south west London to the centre of Oxford, held on 1 May 2027. The course is point to point, largely on groomed paths, trails and paved towpaths, with total climb of 1900 ft (560 m) and a 30 hour overall time limit.

The event is limited to 300 starters. The route is waymarked using national trail markers together with Centurion ribbons and arrows; there are a number of road crossings that are not marshalled. Course cut offs are set at each aid station to keep runners on schedule.

Aid provision includes a minimum of twelve aid stations offering water, electrolyte drinks, sports gels and chews, sweet and savoury snacks, fruit and sandwiches. Hot drinks are available from Hurley onwards, with hot food at Henley, Goring and the finish. Drop bags are accepted for named aid stations and the finish, with a per bag size limit of 50 cm x 30 cm x 30 cm; key drop bag points include Henley (mile 51) and Goring (mile 71).

Pacers are permitted from Henley (mile 51) and only one pacer may accompany a runner at any time. Mandatory kit is checked before and during the race and includes items such as a charged mobile phone, headtorch and backup light, waterproof jacket, survival blanket and a cup for hot drinks. Runners must meet a qualification standard of a completed 50 mile race within 15 hours between 1 January 2022 and race day. Awards include Centurion 100 mile buckles for finishers and additional buckles and trophies based on finishing time and position. Visit the organization's website for the most recent information.

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