The Halong Bay Heritage Marathon 2025 stands out as Vietnam's premier marathon, distinguished by its World Athletics Label Road Race status. This accolade places it among the world’s top marathons, alongside recognition from Runner’s World UK for having one of the most breathtaking courses globally. Set against the awe-inspiring backdrop of Ha Long Bay—a UNESCO World Heritage site—this race offers a unique blend of natural beauty and athletic challenge. The November weather is temperate with minimal wind or humidity, creating an ideal environment for runners to achieve their best times. The 42-kilometer course itself is meticulously designed as flat and fast, ensuring that participants can focus on performance without the distraction of challenging terrain. This has resulted in numerous personal records being set over previous years. In its most recent iteration, the event attracted a diverse field of nearly 14,000 runners, with more than 3,000 international athletes hailing from across 70 countries. Among them was Olympic silver medalist Lee Bong-ju, whose presence underscored HBHM's growing reputation as an elite destination for competitive running. The Halong Bay Heritage Marathon is not just a race but a celebration of the bay’s natural splendor and Vietnam’s rich cultural heritage, offering runners an unforgettable experience both on and off the course.
Races Offered
10KM
Nov 22, 2026
straighten
Distance —
10K
terrain
Type —
Running
timer
96 days remaining
sell
$42.14
21KM
Nov 22, 2026
straighten
Distance —
21.1K
terrain
Type —
Running
timer
96 days remaining
sell
$50.11
42KM
Nov 22, 2026
straighten
Distance —
42.2K
terrain
Type —
Running
timer
96 days remaining
sell
$58.08
5KM
Nov 22, 2026
straighten
Distance —
5K
terrain
Type —
Running
timer
96 days remaining
sell
$27.33
Weather History
These values represent the 3-year monthly averages for November in Thành Phố Hạ Long.
thermostatTemperature
19.3° / 25.6°
wb_sunnyFeels like
19.2° / 25.6°
light_mode
Avg sunshine hours
8h 52m
water_drop
Avg rainfall
1.1 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
11.1 km/h (Light breeze)
opacity
Sweat loss rate
High
terrain
Course conditions
Hard and dry surface
sunny
Max UV Index
Low (2.4)
humidity_mid
Humidity
69.7%
wb_twilight
Sunrise
06:01
nightlight
Sunset
17:10
About Thành Phố Hạ Long
Learn more about the host city, Thành Phố Hạ Long.
Hạ Long is a former first-class provincial city and capital city of Quảng Ninh province, Vietnam. It was found in 1993, when the old capital, Hòn Gai, was merged with Bãi Cháy, the main tourist area. The city mainly lies on Hạ Long Bay, and is located at about 178 km (111 mi) east of Hà Nội. The city's population in 2019 was 270,054.
