ATW Milton Keynes Triathlon

SEP
13
2026
Closed-road triathlon at Willen Lake, Milton Keynes with Sprint and Standard distances, lake swim, traffic free bike course and flat lakeside run.
Sprint 750 m 20 km Sprint 750 m 20 5 km Olympic 1500 m 40 km Olympic 1500 m 40 10 km

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About the race

ATW Milton Keynes Triathlon is a closed-road triathlon held at Willen Lake in Milton Keynes and organised by Active Training World. The event uses calm open water for the swim, wide closed roads for cycling, and a flat scenic run around the lake.

The event offers two main race distances:

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

There are alternative entry options including Sprint Aquabike, Standard Aquabike, and a Standard Distance Team Relay. The race follows a non-drafting format and provides a choice of mass-start or rolling swim starts.

Race features listed by the organiser include a clearly marked course, friendly marshals, finish line snacks and a custom finisher medal. The venue description highlights calm open water, traffic-free cycling sections and a lakeside running route. The event notes a generous cutoff of five hours and a range of entry prices from £85 to £135. The organiser positions the venue as accessible from nearby major cities and suitable for athletes with different experience levels. Visit the organization's website for the most recent information.

10 km
Standard Distance Team Relay
Standard Distance Triathlon
Standard Aquabike
Sprint Triathlon
Sprint Aquabike
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