ATW Grafham Triathlon
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Event overview
The ATW Grafham Triathlon takes place on 26 September 2026 at Grafham Water Visitor Centre, Marlow Park, Grafham, Huntingdon, Cambs, PE28 0BH, GB. The event is organised by Active Training World. Swimming takes place in the Grafham Water reservoir on a 750 m loop. The bike course is an out-and-back route described as flat and passing through local villages. The run uses laps of a 5 km route around footpaths at Grafham, including an out-and-back section across the dam wall and a loop past the finish and transition area.
Races and distances
- Sprint Triathlon - 750 m swim, 17 km bike, 5 km run
- Standard Triathlon - 1500 m swim, 38 km bike, 10 km run
- Standard Aquabike - 1500 m swim, 38 km bike
- Standard Triathlon Relay - 1500 m swim, 38 km bike, 10 km run
Categories, pricing and extras
The Sprint is open to entrants aged 15 and over on the event date. Standard races and Aquabike/Relay entries are open to entrants aged 17 and over on 31/12/2026. Listed entry prices range from £77 to £118. Wetsuit hire options are available from named providers. Camping at Lakeview Paddock and dormitory-style accommodation at Grafham Water centre are offered for the night before the event. The event lists Alzheimer’s Research UK as a charity partner. The organiser does not offer refunds or transfers to another person, but permits transfers 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.
