ATW Grafman Middle Distance Triathlon

JUN
7
2026
A middle distance triathlon at Grafham Water with a 1.9 km swim, 90 km bike and 21 km run; aquabike and relay options are available. The bike leg is draft illegal and the event has an overall cut-off of 9 hrs 30 mins.
Sun 7 Jun 2026
Swim Run Bike

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ATW Grafman Middle Distance Triathlon

The ATW Grafman Middle Distance Triathlon is a middle distance swim-bike-run event at Grafham Water Visitor Centre, Marlow Park, Grafham, Huntingdon, Cambs. The event is organised by Active Training World and is open to everyone, regardless of ability.

Distances included in the standard triathlon are:

  • 1.9 km swim
  • 90 km bike
  • 21 km run

There are alternative race formats listed for the same event, including an Aquabike option that finishes at the entrance back into transition, and a relay option. The bike leg is draft illegal. The event has an overall cut off time of 9 hrs 30 mins.

Course and venue services noted for the event include water and nutrition stations, finish line snacks and goodies, supportive marshals, a well-marked course, a custom designed medal, an on-site cafe and a playground for spectators. The organiser offers wetsuit hire options and mentions camping and dormitory-style accommodation available the night before the event. Registration and transition opening times are to be advised in the final details. The organiser lists Alzheimer's Research UK as a partner charity and indicates opportunities to donate and fundraise at checkout. Visit the organization's website for the most recent information.

Half Marathon
Run
Swim
Bike
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