Bali, Indonesia · Sunday 24 August 2025
The Bali Half Marathon is a stunning race that takes runners through the heart of Indonesia’s most famous island, offering an unforgettable mix of culture, scenery, and tropical challenge. The course winds through lush rice terraces, traditional villages, and vibrant streets lined with cheering locals, all set against a backdrop of towering volcanoes and pristine beaches.\n\nThough the route is mostly flat, the humid tropical climate presents a challenge, requiring runners to stay hydrated and p
Adjusted Time
1:47:50
Time difference: +2.8 minutes compared to a flat, road, temperate course.
Bali Half Marathon is a half marathon held in Bali, Indonesia, scheduled for Sunday 24 August 2025. The course is run on road surface with 165m of total elevation gain, reaching a maximum altitude of 122m above sea level. For registration and full race details, visit the official Bali Half Marathon website.
With 165m of elevation gain, this is a moderately undulating course. The route ranges from 7m to 122m above sea level (115m 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 August, the expected race day conditions are as follows. Moderate temperatures between 15°C and 23°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance over the full distance. There is a low chance of rain (0%), so dry conditions are likely.
Bali 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 Bali 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 Bali Half Marathon against other half marathons to find the right race for your goals.