MULTISPORT FESTIVAL
WHAT IS COLOMBO TRI SERIES?
Colombo Tri Series is Sri Lanka’s most exciting multisport festival, built around the three core endurance disciplines of swimming, cycling, and running.
As a cornerstone of the #ActiveColombo initiative, the Series supports the vision of transforming Colombo into South Asia’s leading active outdoor lifestyle hub. A city that encourages movement, performance, and healthy living.
Designed for challenge-seekers, health and fitness enthusiasts, and individuals ready to set progressive goals and achieve them. Colombo Tri Series creates a structured pathway into the world of endurance sport.
Whether you're starting your first race or building toward IRONMAN 70.3, this is where your journey begins.
Who Is It For?
Whether you’re just discovering multisport, looking for a fun challenge or training for serious race, the Colombo Tri Series inspires goal-setting and delivers structured challenges that enhance skills, strategy, and race-day readiness.
It is for:
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Runners exploring swimming and cycling
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Cyclists seeking competitive structure
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Fitness enthusiasts chasing new goals
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Corporate teams and community groups
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Ones looking to join the triathlon lifestyle
AQUATHON
Swim + Run
Distance - Swim 600m, Run 5km
The perfect introduction to multisport.
Aquathon removes the cycling leg to simplify the experience, making it ideal for beginners or runners eager to explore open water swimming.
Why Aquathon?
✔ A friendly first race experience
✔ Learn pacing across two disciplines
✔ Experience race-day transitions
AQUABIKE
Swim + Bike
Distance - Swim 600m, Run 20km
Aquabike removes the run leg, making it a great option for swimmers and cyclists who want to experience multisport.
Why Aquabike?
✔ A great introduction to multisport
✔ Build confidence across two disciplines
✔ Experience open water swimming and race-day transitions
DUATHLON
Run + Bike + Run
Distance - Run 2.5km, Bike 20km
For those not ready for open water swimming — but ready for speed.
Duathlon builds endurance, power, and race strategy through a dynamic run-bike-run format.
Why Duathlon?
✔ Introduction to bike handling, road awareness, and basic mechanical confidence
✔ Builds transition confidence with two transition phases
✔ A true taste of race intensity and strategy
TRIATHLON
Swim + Bike + Run
Distance - Swim 600m, Bike 20km, Run 5km
The complete multisport experience.
Triathlon within the Colombo Tri Series is designed as a stepping stone — not an elite-only challenge — offering athletes a structured pathway to longer endurance events.
Why Triathlon?
✔ Discover balance across all three endurance disciplines
✔ Simulated race conditions to develop race flow
✔ A stepping stone to the global stage of multisport
Serendib Multisport (Pvt) Ltd is Sri Lanka’s premier endurance sports organiser.
As the official licensee of IRONMAN,
we bring world-class races to our island.Events that unite athletes, inspire communities, and showcase
Sri Lanka as a destination for global sport.