Triathlon Open for entry

IRONMAN 70.3 Ha Long Bay

Name: IRONMAN 70.3 Ha Long Bay
Start: 2027-03-21
End: 2027-03-21
Location: Ha Long Bay, Vietnam

Sun 21 Mar 2027
Ha Long Bay, VietnamDirections
The IRONMAN Group Organiser

SwimBay CourseHilly Race-day climateWarm · 24°C

70.3 1.9 km · 90 km · 21.1 km

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About this race

IRONMAN 70.3 Ha Long Bay is a triathlon race on Sunday 21 March 2027 in Ha Long Bay, Vietnam. The distance is 70.3 (1.9 km swim, 90 km bike, 21.1 km run). It has a bay swim, a hilly bike course and a flat run course. Race-day weather: 18–24°C, water around 21°C.

course & conditions

swimbay

bikehilly

runflat

high air24°C / 76°F

low air18°C / 64°F

water21°C / 70°F

From the organiser

Be Part of a New Endurance Legacy IRONMAN 70.3 Ha Long Bay brings athletes to a destination shaped over millions of years and invites them to write a story of their own. Framed by the UNESCO World Heritage landscape of Ha Long Bay, the race transforms one of the world’s most iconic natural wonders into a powerful stage for endurance, ambition and personal breakthrough. With every stroke, pedal and stride, athletes experience the destination from a new perspective, moving through emerald waters, dramatic limestone formations and sweeping coastal horizons. Here, legacy is not only found in the landscape, but also in what each athlete carries forward. The race brings together the timeless heritage of Ha Long and the enduring spirit of IRONMAN, creating an achievement that will remain part of every athlete’s story long after the finish line. More than a race in an extraordinary destination, IRONMAN 70.3 Ha Long Bay marks the beginning of a new endurance legacy in Northern Vietnam, one that will be shaped by every athlete who takes on the journey.