Cowman Triathlon

AUG
1
2027
A multi-format triathlon at Emberton Country Park near Milton Keynes offering middle, standard and sprint distances plus aquabike, aquathlon and bike-run options.
Sun 1 Aug 2027
Sprint 750 m 5 km Sprint 750 m 20 km Sprint 20 5 km Sprint 750 m 20 5 km Olympic 1.5 40 km

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Cowman Triathlon at Emberton Country Park

The Cowman Triathlon Series takes place at Emberton Country Park, near Olney in Milton Keynes. The event offers multiple race formats held on open water and public roads with marked courses for swimming, cycling and running.

Distances and main formats:

  • Cowman (Middle): 1.9 km swim, 90 km bike, 21.1 km run
  • Calfman (Standard): 1.5 km swim, 40 km bike, 10 km run
  • Stampede (Sprint): 750 m swim, 20 km bike, 5 km run Additional options include Aquabike, Aquathlon and Bike-Run variants using the same legs.

Included event services and facilities include a finisher’s medal, chip timing, live online results, fully marked routes, official event photography, optional finisher’s t-shirt, category prizes, finish-line items and marshal support. Parking is available inside Emberton Country Park; athletes receive free park entry, while other visitors may need to pay. Overnight camping is listed as available at the venue.

Participation requires affiliation with British Triathlon via an annual membership or the purchase of a single-use race pass; non-affiliated relay teammates must each have a race pass. Age minimums apply: Cowman 18+, Calfman 17+, Stampede 15+ with parental consent for 15 year olds. The event also recruits volunteers; volunteers are offered a discount on future BCS events. Visit the organization's website for the most recent information.

90 km
Cowman Bike/run
40 km
Calfman Bike/run
Half Marathon
Cowman Run
20 km
Stampede Bike/run
10 km
Calfman Run
5 km
Stampede Run
Calfman (standard Distance)
Cowman (middle Distance)
Stampede (sprint Distance)
Stampede Aquathlon
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