The UK's Favourite Long Distance Triathlon Series

Looking to take part in an award-winning long distance triathlon event that won’t break the bank? Well you’ve come to the right place. Welcome to the Outlaw Triathlon Series!

Here at OSB Events, we’re passionate about delivering world class events that enable individuals of all ability levels to achieve their goals. Since our first event back in 2010, thousands of triathletes, from first timers to world champions, have experienced the magic of the Outlaw finish line.

Doing a long distance triathlon is a pretty big deal and we think everyone deserves an amazing race day experience that’s worthy of their inspirational training journey. From friendly and supportive volunteers to delicious post-race grub, we put the participant experience at the heart of everything we do. We also make sure your friends and family are well looked after too!