IRONMAN 70.3 Thailand · Bangsaen
IRONMAN 70.3 Thailand · Bangsaen: 90 km bike leg, 284 m of climbing. Elevation profile, what the terrain asks of you, the weather this race day usually brings, and how to pace this course.
Course intel
Mostly out-and-back on the Bangsaen coastal road, gentle with a little undulation (284 m of elevation gain). Thailand is still hot in November; core temperature and hydration are the main variables.
Source: Compiled from the official route and public race information · every course rechecked before launch
The terrain on this course
- Flat (±1.2%) makes up 81%
- No significant climbing: what matters is handling the wind and holding your power steady
Speed score
The wind here is part of the terrain: ride the headwind sections to your range, not to the speedometer, and in crosswinds relax your upper body and stay low. The plan already has wind in every segment, so just ride the numbers.
Historical race-day weather (around 11-16): 27.0°C · Wind 4.1 m/s
0 to 100, and the higher it is the easier it is to post a good time. Points come off for terrain, for corners, and for the heat and wind this race has actually had over the last five years at the same time of year. Full explanation in the article “How the course score works”.