
Krong Siem Reap, Cambodia · Sunday 4 October 2026
Angkor Empire Marathon, held annually in Angkor, Cambodia, is the first full marathon in Cambodia, introduced in 2014. The event is part of the Angkor Wat Marathons, which also include a half marathon. The course starts and ends at the iconic Angkor Wat temple complex, a UNESCO World Heritage site, offering breathtaking views of the ancient temples and surrounding archaeological park.\n\nThe marathon is supported by several organizations, including the National Olympic Committee of Cambodia and
Adjusted Time
4:52:07
Time difference: +52.1 minutes compared to a flat, road, temperate course.
Angkor Empire Marathon is a full marathon held in Krong Siem Reap, Cambodia, scheduled for Sunday 4 October 2026. The course is run on mixed surface with 313m of total elevation gain, reaching a maximum altitude of 55m above sea level. For registration and full race details, visit the official Angkor Empire Marathon website.
This is a hilly course with 313m of total elevation gain. The route climbs from 17m to as high as 55m above sea level — a substantial 38m elevation range. Runners should train on hills and plan for a more conservative pacing strategy, especially on the climbs.
Based on historical weather data for October, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 25°C and 36°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 moderate chance of rain (42%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Angkor Empire Marathon features a mixed-surface course, combining sections of road with unpaved terrain such as gravel paths, parkland, or boardwalks. Mixed courses add variety but also introduce some unpredictability in footing. Runners should expect slightly slower times compared to a pure road marathon, and road-trail hybrid shoes may be the best footwear option.
Our difficulty rating for Angkor Empire 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 Angkor Empire Marathon against other marathons to find the right race for your goals.