The ATW Milton Keynes Triathlon returns on September 12, 2027, offering triathletes of all levels an unforgettable experience at Willen Lake. Situated just under an hour from major cities like London and Birmingham, this event provides easy access for athletes seeking a scenic venue. Willen Lake is renowned for its calm waters, ideal for open water swimming, while the surrounding parkland offers wide closed roads perfect for cycling and running. The picturesque setting of Milton Keynes, known for its extensive green spaces and iconic Concrete Cows sculptures, adds to the charm of this event. Competitors can choose between a Sprint or Standard distance race. The Sprint Triathlon features a 750m swim in Willen Lake followed by a fast-paced 20km bike ride on closed roads before concluding with a scenic 5km run around the lake. For those seeking more challenge, the Standard Distance Triathlon includes a longer 1500m swim, a grueling 40km bike course, and a flat 10km run along the lakeshore. In addition to full-distance events, participants have options for Aquabike (swim + bike) or relay team formats, making it accessible for athletes of various abilities. The race is known for its supportive atmosphere with friendly marshals and clear course markings enhancing the overall experience. Post-race amenities include snacks and goodies at the finish line along with a custom-designed medal to commemorate your achievement. Whether you are a beginner looking to complete your first triathlon or an experienced athlete aiming for personal bests, this event offers a safe environment with generous cutoff times designed to accommodate all participants. Secure your spot early as spaces fill up quickly. For those interested in wetsuit rentals, Zone3 wetsuits are available for hire throughout the season and even on race day itself. Additionally, the opportunity exists to raise funds for Alzheimer's Research UK through participation in this event. Join the ATW community by sharing your experiences or seeking advice from fellow participants via social media platforms provided by the organizers. With a strong focus on inclusivity and athlete support, the Milton Keynes Triathlon promises an inspiring day of competition set against one of Britain’s most beautiful backdrops. The race is organized with meticulous attention to detail, ensuring that every participant feels welcomed and supported throughout their journey from start to finish at Willen Lake.
Races Offered
Sprint Aquabike
Sep 12, 2027
straighten
Distance —
0.8K Swim 20K Bike
terrain
Type —
Multisports
timer
329 days remaining
sell
£70.00
Sprint Triathlon
Sep 12, 2027
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Distance —
0.8K Swim 20K Bike 5K Run
terrain
Type —
Multisports
timer
329 days remaining
sell
£80.00
Standard Aquabike
Sep 12, 2027
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Distance —
Standard Aquabike
terrain
Type —
Multisports
timer
329 days remaining
sell
£90.00
Standard Triathlon
Sep 12, 2027
straighten
Distance —
Standard Triathlon
terrain
Type —
Multisports
timer
329 days remaining
sell
£100.00
Standard Triathlon Relay
Sep 12, 2027
straighten
Distance —
Standard Triathlon Relay
terrain
Type —
Multisports
timer
329 days remaining
sell
£120.00
Weather History
These values represent the 3-year monthly averages for September in Brickhill St.
thermostatTemperature
11.5° / 19.6°
wb_sunnyFeels like
9.1° / 17.1°
light_mode
Avg sunshine hours
8h 8m
water_drop
Avg rainfall
3.2 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
78.3%
wb_twilight
Sunrise
06:37
nightlight
Sunset
19:15
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