18 October 2020

Cowman, Longhorn, Calfman & Stampede Duathlon 

18th October 2020

The Cowman duathlon will offer four different distances: Cowman, Longhorn, Calfman and Stampede across our tried and tested routes in the beautiful location of Emberton Country Park. For those who have completed the triathlon version, the run and the bike in the duathlon are just as challenging! 

An administrative fee of 6% will be applied to all participants by our online entry partner, Results Base Ltd.

Please note the events BTF qualifier status has been removed for the 2020 event. 

Please see the Athlete Race Guide here.

Take a look at the teaser for the 2020 event below!

Event Format

The event will run as a time-trial event.
Run 1 (Run Start --> Entrance to T1) (TIMED AS NORMAL)
T1 (Entrance to T1 --> Exit to T1) (TIMED AS NORMAL)
Deadzone (T1 Exit --> Bike Start) (NOT TIMED) The time between leaving transition and getting to the start of the bike is not timed. 
Bike (Bike Start --> Bike Finish) (TIMED AS NORMAL) The time between crossing the bike start and bike finish is timed.
Deadzone (Bike Finish --> Entrance to T2) (NOT TIMED)  The time between leaving the bike finish and getting to transition is not timed. 
T2 (Entrance to T2 --> Exit to T2) (TIMED AS NORMAL)
Run 2 (Exit T2 --> Finish) (TIMED AS NORMAL)


Event BTF Member
(January- May)
BTF Member
Cowman (21k/90k/10k) £74* £80 £80 £86
Longhorn Classic (10k/60k/10k) £59* £65 £65 £71
Calfman (10k/45k/5k)  £44* £50 £50 £56
Stampede (5k/20k/5k) £34* £40 £40 £46

*Please make sure you bring your BTF license with you to registration or else you will need to pay £6 for a BTF day license.*


  • Registration will be open on Saturday 17th October between 12pm-3pm at the event venue.
  • Registration will be open on Sunday 18th October from 6:30am.
  • Transition will be open between 6am-8:45am - directions on entry into the transition area will be given by the Chief Technical Official.
  • There will be a race briefing 15 minutues before every distance starts the race.
  • The Cowman wave start time will be 7:30am.
  • The Longhorn and Calfman wave start time will be 8:15am.
  • The Stampede wave start time will be 8:45am.


  • Prizes will be sent out after the event has taken place. They will be awarded to the 1st male and female in each event and 1st Vet in these categories: Vet40, Vet50 and Vet60 (Male and Female) (Please note: you cannot win more than one trophy).


  • Emberton Country Park, Olney Rd, Emberton, Olney MK46 5FJ (see below)


New for 2020, we are offering free entry to volunteers who help marshal at our events throughout the year. These free places are based on equivalent event type. Click here for more information!


Cowman and Calfman Distance - Bike Route

  • Cowman: 2 Laps
  • Calfman: 1 Lap


Longhorn Distance - Bike Route

  • 1 Red Lap followed by 1 Yellow Lap


Stampede Distance - Bike Route

  • 1 Lap


Run Route for all Distances

  • All runs will be anti-clockwise.
  • Cowman 4 Laps - Bike - 2 Laps
  • Longhorn 2 Laps - Bike - 2 Laps
  • Calfman 2 Laps - Bike - 1 Lap
  • Stampede 1 Lap - Bike - 1 Lap

 Event information
18 October 2020
Emberton Country Park, Olney

Great Britain
Registration is closed
121.5 km
Starts at 07:30

Price per participant
Through May 31, 2020 £80.00 + fee
From Jun 1, 2020 £86.00 + fee
Fee: 6%
81 km
Starts at 08:15

Price per participant
Through May 31, 2020 £65.00 + fee
From Jun 1, 2020 £71.00 + fee
Fee: 6%
60.75 km
Starts at 08:15

Price per participant
Through May 31, 2020 £50.00 + fee
From Jun 1, 2020 £56.00 + fee
Fee: 6%
32.5 km
Starts at 08:45

Price per participant
Through May 31, 2020 £40.00 + fee
From Jun 1, 2020 £46.00 + fee
Fee: 6%

 More information
BCS Events

In case of questions about the event please contact BCS Events:

01908 585037