Tambon Sanamchai, Thailand · Sunday 8 June 2025
Held in the lush province of Chanthaburi, Thailand, this race offers a tropical half marathon experience like no other. The course takes runners through verdant jungles, rolling hills, and scenic coastline, offering a challenging yet breathtaking route. With humid conditions and some steep climbs, this race is best suited for those who embrace a test of endurance. The event is known for its welcoming atmosphere, with local supporters, traditional Thai refreshments, and post-race celebrations fea
Adjusted Time
1:57:29
Time difference: +12.5 minutes compared to a flat, road, temperate course.
Scenic Half Marathon Chanthaburi is a half marathon held in Tambon Sanamchai, Thailand, scheduled for Sunday 8 June 2025. The course is run on road surface with 155m of total elevation gain, reaching a maximum altitude of 69m above sea level. For registration and full race details, visit the official Scenic Half Marathon Chanthaburi website.
With 155m of elevation gain, this is a moderately undulating course. The route ranges from 0m to 69m above sea level (69m 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 June, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 26°C and 34°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 (40%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Scenic Half Marathon Chanthaburi 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 Scenic Half Marathon Chanthaburi 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 Scenic Half Marathon Chanthaburi against other half marathons to find the right race for your goals.