The ATW Milton Keynes Triathlon is set against the serene backdrop of Willen Lake, offering triathletes an idyllic venue for racing. Situated within easy reach of London, Birmingham, and Oxford, this event welcomes both newcomers to the sport and seasoned competitors with its two race distances: Sprint and Standard. Sprint Distance: Starting at 7:30am, participants will embark on a 750-meter open water swim in Willen Lake’s calm waters. This is followed by a swift transition onto a closed-road bike course that spans 20 kilometers. The final leg of the race sees athletes running along a scenic 5-kilometer route around the lake. Standard Distance: For those seeking more challenge, the Standard distance event begins at 8:30am with a longer swim covering 1500 meters across Willen Lake’s tranquil waters. Cyclists then tackle a 40-kilometer closed-road course designed for speed and efficiency before concluding their journey on a flat and fast 10-kilometer run around the lake. The event features both mass-start and rolling start options, allowing athletes to choose based on their preference or competitive spirit. The non-drafting format ensures fair competition across all distances while maintaining safety throughout each discipline. Willen Lake itself is renowned for its picturesque setting within Milton Keynes’ extensive network of green spaces. The iconic Concrete Cows nearby add a unique touch to the race atmosphere, making it not just an athletic challenge but also a memorable experience in one of Britain’s most innovative cities. In addition to full triathlon distances, athletes can opt for Aquabike events (swim and bike) or join as part of a team relay. These options cater to various skill levels and preferences, ensuring that everyone from beginners to elite competitors finds something suitable at the Milton Keynes Triathlon. The race is known for its well-marked course, friendly marshals, professional organization, and post-race snacks awaiting all finishers. Each participant will also receive a custom-designed medal upon completion of their chosen distance. With ample space dedicated to spectator areas and family-friendly amenities around Willen Lake, the ATW Milton Keynes Triathlon offers more than just competition; it provides an engaging day out for athletes and spectators alike in one of England’s most vibrant sporting environments.
Races Offered
Sprint Aquabike
Sep 13, 2026
straighten
Distance —
0.8K Swim 20K Bike
terrain
Type —
Multisports
timer
25 days remaining
sell
£85.00
Sprint Triathlon
Sep 13, 2026
straighten
Distance —
0.8K Swim 20K Bike 5K Run
terrain
Type —
Multisports
timer
25 days remaining
sell
£95.00
Standard Aquabike
Sep 13, 2026
straighten
Distance —
Standard Aquabike
terrain
Type —
Multisports
timer
25 days remaining
sell
£105.00
Standard Triathlon
Sep 13, 2026
straighten
Distance —
Standard Triathlon
terrain
Type —
Multisports
timer
25 days remaining
sell
£115.00
Standard Triathlon Relay
Sep 13, 2026
straighten
Distance —
Standard Triathlon Relay
terrain
Type —
Multisports
timer
25 days remaining
sell
£135.00
Weather History
These values represent the 3-year monthly averages for September in Brickhill St.
thermostatTemperature
11.5° / 19.4°
wb_sunnyFeels like
9.0° / 17.0°
light_mode
Avg sunshine hours
8h 15m
water_drop
Avg rainfall
3.0 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
14.5 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
78.6%
wb_twilight
Sunrise
06:38
nightlight
Sunset
19:16
Hotels & Places to Stay
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