Borneo Marathon
Kota Kinabalu, Sabah, Malaysia · Sunday 11 May 2025
Borneo Marathon, held in Kota Kinabalu, Malaysia, is a vibrant event that showcases the region's rich cultural heritage and stunning natural beauty. The race features a full marathon, half marathon, and 10 km run, making it accessible to runners of all levels. The course passes through scenic coastal roads and picturesque villages, offering breathtaking views of the South China Sea and surrounding mountains.\n\nWith its well-organized logistics and festive atmosphere, including traditional dance
Difficulty Calculator
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:m
:s
Adjusted Time
4:18:31
Time difference: +18.5 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain53m
Elevation High17m
Elevation Low3m
Weather Forecast
High30°C
Low27°C
Chance of Rain95%
Borneo Marathon 2025 Course Analysis
Borneo Marathon is a full marathon held in Kota Kinabalu, Sabah, Malaysia, scheduled for Sunday 11 May 2025. The course is run on road surface with 53m of total elevation gain, reaching a maximum altitude of 17m above sea level. For registration and full race details, visit the official Borneo Marathon website.
Elevation Profile
This is a very flat course with only 53m of total elevation gain across the full distance. The course ranges from 3m to 17m above sea level — a 14m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Expected Race Day Weather
Based on historical weather data for May, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 27°C and 30°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 (95%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Road
Borneo 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.
How Difficult Is Borneo Marathon?
Our difficulty rating for Borneo 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 Borneo Marathon against other marathons to find the right race for your goals.