Toyako Marathon
Toyako, Japan · Sunday 18 May 2025
The Toyako Marathon, held on May 18, 2025, in Toyako Town, Hokkaido, Japan, is a picturesque event that takes runners around the stunning Lake Toya. The course offers breathtaking views of the lake and surrounding mountains, providing a serene and beautiful backdrop for the race. With its well-organized logistics and enthusiastic support from the local community, this marathon is a must-do for those seeking a challenging yet enjoyable race experience amidst natural beauty.\n\nThe event features
Difficulty Calculator
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:m
:s
Adjusted Time
3:55:43
Time difference: -4.3 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain166m
Elevation High116m
Elevation Low87m
Weather Forecast
High13°C
Low10°C
Chance of Rain33%
Toyako Marathon 2025 Course Analysis
Toyako Marathon is a full marathon held in Toyako, Japan, scheduled for Sunday 18 May 2025. The course is run on road surface with 166m of total elevation gain, reaching a maximum altitude of 116m above sea level. For registration and full race details, visit the official Toyako Marathon website.
Elevation Profile
With 166m of elevation gain, this is a moderately undulating course. The route ranges from 87m to 116m above sea level (29m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Expected Race Day Weather
Based on historical weather data for May, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 10°C to 13°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a moderate chance of rain (33%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Surface Type: Road
Toyako 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 Toyako Marathon?
Our difficulty rating for Toyako 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 Toyako Marathon against other marathons to find the right race for your goals.