the cowman series


Sunday 4th August 2024

Middle, Standard  and Sprint Distance Available.

Sunday 4th August 2024

Middle, Standard and Sprint Distance Available.

Sunday 8th October 2023

Standard Distance Duathlon World Championship Qualifier

About us

BCS Events, formerly known as Big Cow Sports, manages and organizes the Cowman Series. We are a renowned organization that has been hosting a wide range of events since our establishment in 2003, which includes the National Championships and our classic Cowman triathlon.

Our primary objective at BCS Events is to encourage people to get active and explore the beautiful surroundings of Milton Keynes through our numerous events in and around the city that guarantees to be fun-filled.

To learn more about our other events, please visit our main website HERE.


We have partnered with NOWCA and Love to Swim to get you Cowman Triathlon ready. Join the Cowman Triathlon club and receive a 20% discount at Love Open Water Swim sessions at Willen Lake. On offer is a Train for Tri group coaching session and also some Tri Squad sessions.


Be the first to know about our events, get access to exclusive early bird pricing and special offers…