Taman Bulatan Miri, Malaysia · Sunday 13 April 2025
The Miri Marathon brings world-class running, tradition and atmosphere to Sarawak, Malaysia. This destination, with a touch of everything that is Southeast Asia, has something that is calling your name. From iconic nature to historic cities, you will experience something that must be seen to be believed.\n\nThe memory you make here is something that will remain in your mind forever. The Miri Marathon won't just test your athleticism; you will connect with a culture, and test the power of the hum
Adjusted Time
1:53:05
Time difference: +8.1 minutes compared to a flat, road, temperate course.
Miri Half Marathon is a half marathon held in Taman Bulatan Miri, Malaysia, scheduled for Sunday 13 April 2025. The course is run on road surface with 73m of total elevation gain, reaching a maximum altitude of 41m above sea level. For registration and full race details, visit the official Miri Half Marathon website.
This is a very flat course with only 73m of total elevation gain across the full distance. The course ranges from -8m to 41m above sea level — a 49m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for April, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 26°C and 31°C. Heat is one of the biggest performance factors in marathon running — research shows that for every degree above 15°C, marathon times slow by approximately 1-2%. Extra hydration and a conservative start are strongly recommended. There is a high chance of rain (63%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Miri Half Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Miri Half Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Miri Half Marathon against other half marathons to find the right race for your goals.