Singapore, Singapore · Saturday 6 December 2025
The Singapore Marathon, also known as the Standard Chartered Singapore Marathon, is an annual international marathon held on the first Sunday of December. It is a World Athletics Gold Label Road Race, attracting thousands of participants from around the globe. The event features a full marathon, half marathon, and other distances, making it accessible to runners of all levels.\n\nIn recent years, the marathon has been held in the evening to meet criteria for the Abbott World Marathon Majors. Wit
Adjusted Time
4:22:10
Time difference: +22.2 minutes compared to a flat, road, temperate course.
Singapore Marathon is a full marathon held in Singapore, Singapore, scheduled for Saturday 6 December 2025. The course is run on road surface with 244m of total elevation gain, reaching a maximum altitude of 65m above sea level. For registration and full race details, visit the official Singapore Marathon website.
With 244m of elevation gain, this is a moderately undulating course. The route ranges from 0m to 65m above sea level (65m 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 December, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 25°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 (83%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Singapore 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 Singapore 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 Singapore Marathon against other marathons to find the right race for your goals.