IRONMAN Malaysia · LangkawiVerified
IRONMAN Malaysia · Langkawi: 181 km bike leg, 1047 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
A loop around the tropical island of Langkawi: short and medium rollers with high heat and humidity, elevation gain over 1000 m. The hardest part of this race is the heat: keep your power conservative, drink on schedule, and save the racing for the run.
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 71%
- Main climb 77.3–78.2 km: 55 m of gain (avg 6.5%)
- Main climb 151.4–152.2 km: 56 m of gain (avg 6.6%)
- Main climb 157.2–158.2 km: 54 m of gain (avg 5.1%)
Speed score
Rolling terrain is where you overspend without noticing: 20 extra watts on every little rise adds up and empties your legs for the back half. Let power touch the top of the range on the small stuff and leave it there.
Historical race-day weather (around 11-21): 28.5°C · Wind 2.2 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”.