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About Us
We are the journey from individual to athlete.
Tri Society is a proudly family-run business, deeply rooted in the sport of triathlon.
Iain Hamilton first discovered triathlon back in 1985 and went on to race as a professional in his early 20s, earning medals
at the World Championships. After hanging up his race shoes, Iain became one of the UK’s most experienced
organisers—part of the team that delivered the London 2012 Olympic Triathlon, founder of the Outlaw Triathlon Series,
and a consultant to some of the biggest events on the global calendar.
Teresa Hamilton, whose background includes managing major sporting brands, stepped away from corporate life to raise
their daughters, Ella and Lia—who are now both grown up and pursuing their careers in the sports industry. Today, Teresa
leads the athlete management side of the business—negotiating partnerships with world-class athletes and global brands.
The name Tri Society was originally thought up in the 1990s, but it wasn’t until now that it found its true purpose.
Previously, the family operated under One Step Beyond Promotions, later OSB Events, which became one of the UK’s
most respected event organisers. While times have changed (and thankfully so has the Lycra fashion), the passion for the
sport remains as strong as ever.
Looking ahead, we’ve got plans to explore new opportunities and keep the sport fresh, inclusive, and fun for future
generations.
Iain Hamilton
We have organised various major events on behalf of others. Our expertise is multisport, running, triathlon and off road events, and packages can be delivered on behalf of clients from large corporate businesses and public bodies to smaller organisations and brands.
We care about the history, as well as the future of triathlon and multisport, and we care about the people who take part, volunteer and make it what it is – a fun and friendly sport that welcomes novices and encourages participation at all levels.