ATW Grafham Triathlon
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ATW Grafham Triathlon - Grafham Water
The ATW Grafham Triathlon takes place at Grafham Water Visitor Centre, Marlow Park, Grafham, Huntingdon, Cambs. The event is scheduled for 26/09/2026 and is organised by Active Training World. Race categories are available with entry prices ranging from £75 to £116. The event supports Alzheimer’s Research UK and includes opportunities to donate or fundraise at checkout.
Race formats and course
- Sprint Triathlon: swim 750m, cycle 17km, run 5km, £75
- Standard Triathlon: swim 1500m, cycle 38km, run 10km, £95
- Standard Aquabike: swim 1500m, cycle 38km, £85
- Standard Relay: swim 1500m, cycle 38km, run 10km, teams of 2 or 3, £116
The swim uses laps of a 750m loop in the Grafham Water reservoir (Sprint one lap, Standard two). The bike is an out-and-back, flat course; the Sprint turns at Perry and the Standard turns at St Neots. The run is on a 5k lap of natural footpaths that crosses the dam wall; Sprint completes one lap, Standard two.
Logistics and policies
Wetsuit hire is available for season or short-term rental. Camping and dormitory-style accommodation are offered for the night before the event. Parking is available on site with charges payable at ticket machines. ATW does not offer refunds; entries may be transferred to any future ATW event up to 48 hours before the original event date without proof. Visit the organization's website for the most recent information.
