Registration Open 27 days
Chattogram
Duathlon 2026
Run. Ride. Run. Conquer Chattogram.
10K RUN 40K BIKE 5K RUN
Endurance Events · Chattogram · Bangladesh
Triathlon Bangladesh
Build the Karnaphuli into the country's signature port-city endurance race — a yearly homecoming for runners, swimmers, and triathletes from across Bangladesh.
Two races on the calendar ↓
Upcoming Events
Two start lines ahead.
Chattogram
Registration Open 118 days
Mirsharai
Coastal Marathon 2027
Beyond the Miles. Beyond the Horizon. Where Nature Meets the Future.
42.2K21.1K10K
Track Record
Not our first start line.
Kutubdia, Moheshkhali, channel swims, boot camps. The Karnaphuli is the next chapter — not the opening one.
Chatto Metro Half Marathon 2026
Chattogram's first city-backed half marathon — 21.1K, 10K, and 5K along the Karnaphuli riverside, flagged off at dawn on 21 August 2026.
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Kutubdia Island Half Marathon 2026
Climate-justice half marathon on the shrinking island of Kutubdia, demanding a permanent sea embankment.
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Moheshkhali Island Half Marathon 2025
Hilly-island half marathon through salt fields, mangroves and betel farms, raising voices for Moheshkhali's farmers.
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Bootcamp for Kutubdia Island Half Marathon
Training boot camp for the Kutubdia Island Half Marathon, in collaboration with Chattala Runners.
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Swimming Bootcamp 2026
Free swimming boot camp — basics through Bangla Channel motivation, organised by Cox's Bazar Triathletes.
View details →Community · Open Water
On the water with others.
Events we were proud to support — as rescue partners, crew, and community.
The Organisation
Triathlon Bangladesh — a port-city endurance brand.
Build the Karnaphuli into the country's signature port-city endurance race — a yearly homecoming for runners, swimmers, and triathletes from across Bangladesh.
Triathlon Bangladesh
Swim · Bike · Run
- 01Health & FitnessMove the city. A monthly drumbeat of running, swimming, and triathlon for everyone.
- 02Karnaphuli TourismThe river is the venue. Container ships, the Shah Amanat bridge, the working port — the moat nobody can copy.
- 03Eco-AdventureCoastal and island races — Kutubdia, Moheshkhali — on land and in open water.
- 04CommunityBoot camps, pacers, mentors. The largest swim bootcamp in Chattogram is ours.