# 5150 Ha Long Bay

Canonical: https://findmytris.com/events/5150-ha-long-bay
Official page: https://www.ironman.com/races/5150-ha-long-bay

- **Date:** March 20, 2027
- **Location:** Ha Long Bay, Vietnam
- **Continent:** Asia
- **Race type:** 5150 — 51.5 km (Olympic)
- **Swim:** Bay
- **Bike course:** Hilly
- **Run course:** Flat
- **Avg. air temperature:** 69°F (21°C)
- **Avg. water temperature:** 70°F (21°C)
- **Nearest airport:** Van Don International Airport (VDO)

## FAQ

### When is 5150 Ha Long Bay?

5150 Ha Long Bay is scheduled for March 20, 2027.

### Where is 5150 Ha Long Bay?

5150 Ha Long Bay is held in Ha Long Bay, Vietnam (Asia).

### What is the course like at 5150 Ha Long Bay?

5150 Ha Long Bay is a 5150 race (51.5 km (Olympic)) with a bay swim, a hilly bike course and a flat run course.

### Is 5150 Ha Long Bay wetsuit legal?

The average water temperature is 70°F (21°C), which is within the age-group wetsuit-legal range (up to and including 76.1°F / 24.5°C) under the 2026 IRONMAN Competition Rules. The official call is made from the water temperature measured on race morning.

### What is the nearest airport to 5150 Ha Long Bay?

The nearest airport listed for 5150 Ha Long Bay is Van Don International Airport (VDO).

### How do I register for 5150 Ha Long Bay?

Registration is handled on the official IRONMAN race page: https://www.ironman.com/races/5150-ha-long-bay

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Data compiled by Find My Tris from official IRONMAN pages; please cite findmytris.com.