ATW Grafham Triathlon
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About the race
The ATW Grafham Triathlon is scheduled for 26 September 2026 at Grafham Water Visitor Centre, Marlow Park, Grafham, Huntingdon, Cambridgeshire. The event is organised by Active Training World and uses the Grafham Water reservoir and surrounding footpaths. Distances offered include: - Standard Triathlon: swim 1500m, cycle 38km, run 10km - Sprint Triathlon: swim 750m, cycle 17km, run 5km The swim takes place in Grafham Water on a 750m loop. The Sprint completes one lap of the loop and the Standard completes two laps.
The bike course is a flat out and back route that passes through local villages; the Sprint turn is in Perry and the Standard turn is in St Neots. The run uses laps of a 5k route on natural footpaths around Grafham Water and crosses the dam wall before looping past the finish and transition area. The Sprint finishes after one run lap and the Standard after two laps. Alternative formats include a Standard distance Aquabike for swim and bike only, and a Standard relay option with two or three team members sharing disciplines.
Wetsuit hire, camping the night before and dormitory style accommodation at the centre are offered. Course features noted by the organiser include a well marked course, marshalls, a custom medal, finish line goodies and free event photos. Parking is available with charges payable on site.
The event supports Alzheimers Research UK. ATW allows transfers to future events up to 48 hours before the event; refunds are not offered. Visit the organization's website for the most recent information.
