Taman Bulatan Miri, Malaysia · Sunday 13 April 2025
Miri Marathon, held in Miri, Malaysia, is a vibrant event that offers a range of distances, including a full marathon, half marathon, 10 km speed run, and 5 km fun run. The race takes place on April 13, 2025, starting at Jalan Merpati. Participants receive an event tee, finisher tee for 21 km and 42 km finishers, and a finisher medal.\n\nWith its early morning flag-offs and scenic course, this marathon is a must-do for those seeking a challenging yet enjoyable race experience amidst natural beau
Adjusted Time
4:25:30
Time difference: +25.5 minutes compared to a flat, road, temperate course.
Miri Marathon is a full marathon held in Taman Bulatan Miri, Malaysia, scheduled for Sunday 13 April 2025. The course is run on road surface with 274m of total elevation gain, reaching a maximum altitude of 48m above sea level. For registration and full race details, visit the official Miri Marathon website.
With 274m of elevation gain, this is a moderately undulating course. The route ranges from -2m to 48m above sea level (50m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
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 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 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 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 Marathon against other marathons to find the right race for your goals.