ATW Milton Keynes Triathlon

SEP
13
2026
A closed road triathlon at Willen Lake in Milton Keynes with calm open water swims, traffic free cycling and a flat lakeside run. Sprint and Standard distances are offered, plus aquabike and team relay options.
Sprint Triathlon (run) Standard Distance Triathl...

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ATW Milton Keynes Triathlon

The ATW Milton Keynes Triathlon is a closed-road triathlon held at Willen Lake, Brickhill St, Milton Keynes MK15 0DS. The race headquarters is at Willen Lake in Buckinghamshire, a venue with calm open water, wide closed roads for cycling, and a scenic lakeside run route.

Distances on offer include:

  • Sprint: 750m swim, 20km closed-road bike, 5km run
  • Standard: 1500m swim, 40km closed-road bike, 10km run

The event follows a non-drafting race format and offers a choice between mass start or rolling swim start. Additional entries are available for Sprint Aquabike, Standard Aquabike and a Standard Distance Team Relay for athletes who do not wish to complete all three disciplines.

The event description notes clearly marked courses, friendly marshals, professional organisation, finish line snacks and a custom finisher medal. The triathlon welcomes first-time triathletes, club athletes and elite competitors and includes a generous overall cutoff of five hours. The venue is described as accessible from nearby major cities, located less than an hour from London, Birmingham and Oxford. Visit the organization's website for the most recent information.

10 km
Standard Distance Triathlon (run)
5 km
Sprint Triathlon (run)
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