Cowman Triathlon

AUG
2
2026
The Cowman Triathlon returns to Emberton Country Park in Milton Keynes. It features multiple race formats across three distances, from a middle-distance triathlon to sprint events. The venue offers scenic swim, bike, and run courses with amenities like chip timing and on-course support.
Sun 2 Aug 2026
Stampede Triathlon Relay... Stampede Triathlon (sprin... Stampede Bike Run (sprint... Stampede Aquathlon (sprin... Stampede Aquabike (sprint...

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Cowman Triathlon

The Cowman Triathlon takes place at Emberton Country Park in Milton Keynes. It offers multiple race formats across three main distances: Cowman (Middle Distance), Calfman (Standard Distance), and Stampede (Sprint Distance). Additional options include Aquabike, Aquathlon, and Bike/Run events.

The event features open-water swims, cycle routes, and run courses set within the park. Participant amenities include a fully marked route with marshal support, medical support on course, chip timing, live online results, a finisher's medal, an optional t-shirt, and finish line refreshments. Professional photography is available.

Race pack collection is at Race HQ. Bike racking is available on race morning only. The cycle course uses public roads. A British Triathlon membership or Race Pass is required to participate, with passes needed for each non-member in a relay team.

Distances and Start Times

  • Cowman (Middle Distance): Starts at 6:30 AM. Includes a 1.9 km swim, 92 km bike, and 21.1 km run.
  • Calfman (Standard Distance): Starts at 7:45 AM. Includes a 1.5 km swim, 40 km bike, and 10 km run.
  • Stampede (Sprint Distance): Starts at 9:00 AM. Includes a 750 m swim, 20 km bike, and 5 km run.

Age restrictions apply: 18+ for Cowman, 17+ for Calfman, and 15+ for Stampede (with parental consent required for 15-year-olds). Wetsuit rules are based on water temperature and participant age. There are specific cut-off times for the swim, bike, and run legs.

Ample free parking is provided for athletes at Emberton Country Park, with overnight camping also available. Volunteers are sought for roles such as cycle and run marshals. Visit the organization's website for the most recent information.

Stampede Triathlon Relay (sprint Distance)
Stampede Triathlon (sprint Distance)
Stampede Bike Run (sprint Distance)
Stampede Aquathlon (sprint Distance)
Stampede Aquabike (sprint Distance)
Cowman Triathlon Relay (middle Distance)
Cowman Triathlon (middle Distance)
Cowman Bike/run (middle Distance)
Cowman Aquabike (middle Distance)
Calfman Triathlon Relay (standard Distance)
Calfman Triathlon (standard Distance)
Calfman Bike Run (standard Distance)
Calfman Aquabike (standard Distance)