Cowman Triathlon

2nd August 2020

August 2020 sees the return of the iconic Milton Keynes Triathlon.The  Cowman, Calfman and Stampede triathlon events at the stunning venue of Emberton Sailing Club in Emberton Country Park.

The Cowman is a middle distance triathlon (1.9km swim, 90km bike, 21.1km run), and the Calfman is just over a standard distance (900m swim, 46km bike, 10km run). The Stampede (introduced in 2018) is a sprint distance (750m swim, 22k bike, 5.25k run).

The swim takes place in the lake adjacent to the sailing club, with the bike course heading out around the local area (2 laps for Cowman, 1 lap for Calfman, short lap for the Stampede), and the run course circulating the lake featuring both on and off road sections (4 laps for Cowman, 2 laps for Calfman, 1 lap for the Stampede).

The events can be tackled as an individual, or the longer ones can be done as a relay team of two or three, with prizes across the board for individual age groups and teams.

  • 2nd August 2020
  • 7am
  • Emberton Country Park
  • £55 - £115
  • Middle Distance, Standard Distance, Sprint triathlon
  • Entry open

Countdown to event...




Great event. It was our first time at the Cowman and we loved it. Thanks to all the amazing stewards, staff and volunteers. Great atmosphere and lovely venue. We’ll be back next year for sure.
Jess Wills
Cowman Competitor


During checkout you will be offered boking insurance from “Booking Protect” which will allow you to recieve a full refund on your entry. We do not offer deferals but you can transfer your entry to another athlete using your results base profile

We offer a manned baggage drop for your belongings, all items are left at your own risk and Big Cow Events do not take responsibility for any losses or damaged items

We recommend arrive at least 1 hour before your start time, to collect your number, use the facilities and be ready for the race briefing

We do not send out packs in the post. You can collect from Body Limits Miltion Keynes before the event (dates TBC) or on the day at the event registration

Course Maps

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Cowman Duathlon

Cowman Trail Duathlon